1. know of 知道,聽(tīng)說(shuō)
I know of her but I have never met her.
我知道她但和她不相識(shí)
。2. be in demand 供不應(yīng)求
You may know that nurses are in demand, but what about the folks they work with?
你可能知道目前護(hù)士就業(yè)形勢(shì)很好,但是醫(yī)療技師是做什么的呢?
3. be better off 富裕,狀況好
For example, have you ever wanted something that you couldn’t get but then tell yourself you’re better off without it?
舉個(gè)例子,你曾經(jīng)有沒(méi)有想要某些東西但是你又得不到它,所以你就自己安慰自己說(shuō)沒(méi)有那個(gè)東西你反而更好呢?
4. invest in 投資于
We have to invest in science for ourselves.
我們需要為我們自己而投資科學(xué)
。