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1、Who is going to take the first shot？

谁想要来开第一枪？

We are talking about someone that I'm going out with？

我们是在谈论我的约会对象吗？

2、The world intellectual property day.

世界知识产权日。

3、supply side    供给侧

tipping point    临界点

over-extraction for drinking water and mining.

对饮用水和矿产的过度开采。

4、The fire door,please keep close.

防火门，请保持常闭。