in the past few year和 for the past few year有什么区别

He has doubled his height in the past few years.

He has been in United States of America for the past few years.

in / for the past few years 用法以及语意上究竟有什么区别呢?

1. in the past few years

发生的事件是发生频率相对稍低的分散性事件, 甚至是一两次的事件

| -------分散点---------|

------A-----X----X----X------B现在------------>

2. over/ for the past few years

发生的事件是发生频率相对较高的连续性事件。

| -------连续点-------|

------A|------------------------|B现在---------->

mengxin Z -

采纳率 36% | 回答于 1秒前

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