1.open to 打开

例句:The scheme is also open to non-members.

该方案也对非正式成员开放。

2.because of 因为

例句:If you tend to overeat because of depression, first take steps to recognize the source of your sadness.

如果你常常因为沮丧而暴饮暴食，首先应该设法找到悲伤的原因。

3.rather than 而不是

例句:The zoo needed better management rather than more money.

这座动物园需要更好的管理，而不是更多的资金。

4.oil price 石油价格
例句:The oil price increases sent Europe into deep recession.

油价上涨使欧洲陷入严重的经济衰退。