I devised a trick that helps us keep our magazines in check: the ripped cover.
我想出了一个了解杂志情况的窍门：撕破封面。
The check came under cover in yesterday's mail.
支票是装在信封里和昨天的邮件一起送来的。
Need mechanical movement to cover the eyes and remove goggles to check the accomplishment.
需要机械动作来遮蔽眼睛及移开护目镜，检查完成情况。
Need mechanical movement to cover the eyes and remove goggles to check the accomplishment.
需要机械动作来遮蔽眼睛及移开护目镜，检查完成情况。
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