六级But the barriers are disappearing, in part because journals and funding agencies worldwide are encouraging scientists to make their data public.

但这些障碍正在消失，部分原因是全世界的期刊和资助机构正在鼓励科学家公开他们的数据。

六级However, despite 2 billion people worldwide already supplementing their diet with insects, consumer disgust remains a large barrier in many western countries.

然而，尽管全世界已有20亿人在饮食中添加昆虫，但消费者的厌恶感在许多西方国家仍然是一大障碍。

高考Many studies show that older parents—today's grandparents—would have called their children more often if the means and cost of doing so had not been a barrier.

许多研究表明，如果不存在这样做的手段和成本的障碍，今天年长的父母的祖父母会更经常地给他们的孩子打电话。

高考The passage starts with the story of cervantes to show that age is not a barrier to achieving one's goal.

这篇文章从塞万提斯的故事开始，说明年龄不是实现目标的障碍。

四级Although economic research and previous survey findings have shown that career interruptions related to motherhood may make it harder for women to advance in their careers and compete for top executive jobs, relatively few adults in the recent survey poin

尽管经济研究和先前的调查结果表明，与母亲身份相关的职业中断可能会使女性更难在职业生涯中取得进步，也更难竞争高管职位，但在最近的调查中，相对较少的成年人参与了这项调查

六级Now it's like a barrier has been let down.

现在就像是一道屏障被拆除了。

六级What he tried to do was to teach a male dolphin called Bass and a female called Doris to communicate with each other across a solid barrier.

他试图教一只叫巴斯的雄性海豚和一只叫多丽丝的雌性海豚通过坚固的屏障相互交流。

六级Even Hillary Clinton says that when it comes to college, Costs won't be a barrier.

就连希拉里·克林顿也表示，在上大学时，成本不会成为障碍。

六级It might be tempting, therefore, to think that the old barriers have been broken down and equal opportunity achieved.

因此，认为旧的壁垒已经被打破，机会均等已经实现，这可能是一种诱惑。

六级As long as it's impossible to produce something from nothing, costs are absolutely a barrier.

只要不可能白手起家，成本绝对是一个障碍。

六级But the new work does go further than previous research and suggests that screen time should still be considered a potential barrier to young people's flourishing.

但是，这项新的研究确实比以前的研究更深入，并表明荧屏时间仍然应该被视为年轻人成长的潜在障碍。