1.aim at 目的在于
例句:The new treaty is aiming at (或for) improving relations between the two countries.
这项新的协议旨在改善两国间的关系 。
2.legal right 合法权利
例句:This is your legal right.
这是你的合法权益 。
3.have access to 可以利用
例句:You have have access to them via your public library.
而你可以通过公共图书馆来使用他们 。
4.food security 食品安全
例句:They also have enormous implications for world food security and human livelihoods.
它们也对世界粮食安全和人类生计产生了普遍影响 。