課本中不會教你的[N]498　now that

498　now that

◎ now that意為“既然”，較為正式，引導(dǎo)原因狀語從句，表示說話人及聽者都知道的客觀事實，that 有時可省。

Now that you have taken up the job，you should do it well. 你既然承擔(dān)了這項工作，就應(yīng)該做好它。

Now（that） we have gone so far，we might go a little further. 既然我們已經(jīng)走這么遠了，那就再多走段路吧。