六级The company might be very optimistic, but the ability of their machine to detect deception has not provided credible proof.

该公司可能非常乐观，但他们的机器检测欺骗的能力并没有提供可靠的证据。

2018年12月六级真题（第一套）听力 Section C

考研But the article is actually quite optimistic, as it outlines a potential solution to this problem, suggesting that an approach can close 63 percent of the achievement gap between first-generation and other students.

但这篇文章实际上相当乐观，因为它概述了这个问题的潜在解决方案，表明一种方法可以缩小第一代学生和其他学生之间63%的成绩差距。

2015年考研真题（英语二）阅读理解 Section Ⅱ

考研While younger people are somewhat more optimistic than their elders about the prospects for those starting out today, big majorities in both groups believe those "just getting started in life" face a tougher climb than earlier generations in reaching such

虽然年轻人对今天开始创业的人的前景比长辈更乐观，但这两个群体中的绝大多数人都认为，与前几代人相比，那些“刚刚开始生活”的人在实现这一目标方面面临着更艰难的挑战

2016年考研真题（英语二）阅读理解 Section Ⅱ

六级The recession has certainly come with more problems than Andrea anticipated, but she remains unfailingly optimistic

经济衰退带来的问题肯定比安德里亚预期的要多，但她仍然保持着始终如一的乐观态度

2012年12月听力原文

考研They transform the aspirations of the people who live there; they nudge the self-image of the city into a bolder and more optimistic light.

它们改变了居住在那里的人们的愿望；他们将这座城市的自我形象推向了一个更大胆、更乐观的方向。

2020年考研真题（英语一）阅读理解 Section Ⅱ

四级A Moon Express representative declined to comment on the story, but noted that the company is very optimistic about its proposal.

月亮快车的一位代表拒绝就此事发表评论，但指出该公司对其提议非常乐观。

2018年6月四级真题（第一套）听力 Section A

四级optimistic about Obama's effort to reduce CO2 emissions

对奥巴马减少二氧化碳排放的努力感到乐观

2013年6月阅读原文

四级Joel Stein wrote an extensive piece on Millennials and he remains rather optimistic about our potential.

Joel Stein写了一篇关于千禧一代的文章，他对我们的潜力仍然相当乐观。

2014年6月大学英语四级考试真题（第3套）

四级In an interview with TIME earlier this week, Cohen said although he and his co-author are optimistic about many aspects of the Internet, they’ve also realistic about the risks and dangers that lie ahead when the next five billion people come online, particularly with respect to personal privacy and state surveillance (监视).

科恩在本周早些时候接受《时代》杂志采访时说，尽管他和他的合著者对互联网的许多方面都持乐观态度，但他们也对未来50亿人上网时面临的风险和危险持现实态度，特别是在个人隐私和国家监控方面(监视).

2014年12月大学英语四级考试真题（第3套)

四级The report qualifies the more optimistic findings of another new paper which suggests that the world will not have to dig up a lot more land for farming in order to feed 9 billion people in 2050, as the Food and Agriculture Organisation has argued.

该报告证实了另一篇新论文中更乐观的发现，该论文表明，到2050年，世界将不必像粮食及农业组织所说的那样，为了养活90亿人而挖掘更多的土地用于农业。

2015年6月大学英语四级考试真题（第2套)

考研Given this optimistic approach to technological innovation, the American worker took readily to that special kind of nonverbal thinking required in mechanical technology.

考虑到这种乐观的技术创新方法，美国工人很容易接受机械技术所需的那种特殊的非语言思维。

1996年全国攻读硕士学位研究生入学考试英语试题

考研Computerue011education advocates forsake this optimistic notion for a pessimism that betrays their otherwise cheery outlook.

Computerue011教育倡导者放弃了这种乐观的观念，转而悲观，这背叛了他们原本乐观的前景。

1999年全国攻读硕士学位研究生入学考试英语试题

考研There are reasons to be optimistic.

我们有理由保持乐观。

2001年全国攻读硕士学位研究生入学考试英语试题

考研Consumers seem only mildly concerned, not panicked, and many say they remain optimistic about the economy’s long-term prospects even as they do some modest belt-tightening.

消费者似乎只是轻度担忧，而不是恐慌，许多人表示，即使他们适度勒紧裤腰带，他们仍对经济的长期前景持乐观态度。

2004年全国攻读硕士学位研究生入学考试英语试题