四级But even if people are able to economically support a retirement at 65, over thirty years of potential inactivity is harmful to cognitive (认知的) and emotional vitality.

但是，即使人们能够在65岁时从经济上支持退休，超过30年的潜在不活动对认知能力是有害的(认知的) 和情感活力。

2019年6月四级真题（第一套）阅读 Section B

六级But poor diet and physical inactivity also each increase the risk of heart disease and have a role to play in the development of some cancers.

但不良的饮食和缺乏体育锻炼也会增加患心脏病的风险，并在某些癌症的发展中发挥作用。

2019年12月六级真题（第一套）阅读 Section A

四级But cats can afford to have long periods of inactivity because they spend little time eating and are unlikely to be attacked while they sleep.

但猫可以长时间不活动，因为它们很少花时间吃饭，睡觉时也不太可能受到攻击。

1994年1月大学英语四级(CET-4)真题

四级But even if people are able to economically support a retirement at 65, over thirty years of potential inactivity is harmful to cognitive(认知的) and emotional vitality.

但是，即使人们能够在经济上支持65岁的退休生活，超过30年的潜在不活动也会对认知有害(认知的) 以及情感活力。

2019年6月大学英语四级真题（第1套）