bbc每日地道英语短语：由bbc英语编写,讲解口语中最常用的英语成语短语。
今日短语
英语中的 a window of opportunity 就是时机之窗的意思，指可以做某件事的一个短暂的时机。
例句
i've got a window of opportunity to talk to my boss about a pay rise tomorrow.
meet me in reception – there might be a window of opportunity for me to let you into the concert!
sometimes a problem can actually be a window of opportunity.
请注意
out the window 的意思是什么事情已经过去了，来不及了，不可能了
今日小常识
a 'french window' is actually a type of door, but one which has many small panes of glass so that it can let light through. as well as france, they are very common in italy.
所谓“落地窗”在英语里就是 a ‘french window’, 是由很多小块玻璃镶嵌构成的，可以让光线通过。它们在法国和意大利都非常普遍。