重点讲解：
1. agree to do sth. 同意；应允；答应；
例句：All 100 senators agree to a postponement.
100位议员全都同意延期qChJ%X20d&uA。
2. play a role in 在……中起作用；
例句：The Panama Canal has played a very important role in transportation.
巴拿马运河在运输上起到了非常重要的作用%5tO2W32EXLg#4I#。
3. be willing to do sth. 乐意的；愿意的；
例句：We are willing to wait till they come to reason.
我们愿意等到他们觉悟过来2PWOnot!Gq。
4. such as 这样的；那样的；上述的；诸如此类的；
例句：There'd be no telling how John would react to such news as this.
还不知道约翰听到这样的消息会作何反应_E20*5oxRrdr。
5. accuse sb. of sth./doing sth. 指责；责难；
例句：He laughs loudly when I accuse him of fibbing.
当我指责他说谎时，他大笑起来6+[]hFGIPA%McY。