Je was op zoek naar: until recently we took oil f... (Engels - Chinees (Vereenvoudigd))

until recently, we were the beneficiary of such aid.
直到最近，我们一直都是这种援助的受益者。

but until recently, we have had little idea about the initial conditions for the universe.
可直至最近, 我们仍对宇宙初生当时之 周围条件不甚了了.

until recently, we haven't had to know exactly how a vaccine worked.
直到如今，我们从没有去了解过 疫苗到底是怎样起作用的。