Translation of "Lag" in Chinese

I feel exhausted because of jet lag.

我因為時差而感到疲憊。

We should read the newspaper so as not to lag behind the times.

我们应该读报纸以免落伍。

According to one study, Amazon's sales go down by 1% for every 100-millisecond lag in its loading times.

有研究称，打开速度每慢100毫秒，Amazon 的销售额就下降1%。