1.gun control 枪支管制

例句：France has tight gun-control laws for handguns, but not for hunting rifles.

法国对手枪有严格的枪支管制，但对猎用步枪却没有。

2.return to 回到

例句：When will you return to the office?

你什么时候回办公室?

3.choose to 选择

例句：Some mothers choose to have an epidural when giving birth.

有的母亲分娩时选择硬膜外麻醉。

4.Wall Street 华尔街

例句：The Wall Street Journal uses 220,000 metric tons of newsprint each year.

《华尔街日报》每年用去22万公吨新闻纸。