It can not only kill the time, but also, more important, help improve my comprehension ability.

它不仅可以消磨时间，而且更重要的是，有助于提高我的理解能力。

youdao

On the contrary, some other people may have a lot of time at their disposal, but they are at a loss how to kill the time, and therefore feel bored and upset.

反之，另外有的人虽然有许多可以自行支配的时间，却不知如何打发，因而感到无聊怅然。

youdao

On the contrary, some other people may have a lot of time at their disposal, but they are at a loss how to kill the time, and therefore feel bored and upset.

反之，另外有的人虽然有许多可以自行支配的时间，却不知如何打发，因而感到无聊怅然。

youdao