yet

The package I ordered online last week has not arrived yet.

(Chinese) 我上周在网上订的包裹还没到。

We are not ready to leave yet because we are still packing our bags.

(Chinese) 我们还没准备好出发，因为还在打包行李。

It was a very simple plan, yet it was extremely effective in the end.

(Chinese) 这是一个非常简单的计划，然而最后却极其有效。

He is very wealthy, yet he lives a very modest and simple life.

(Chinese) 他非常富有，然而过着非常谦逊简朴的生活。