第三，要设定一个较长的有效时间范围。

Third, set a long time-horizon.

youdao

一定要把自己的目标写下来，还可以把目标告诉其他人，同时为达到目标设定一定的时间范围。

Be sure to write the goals down, perhaps tell others about your goals, and set a time frame for achieving the goals.

youdao

当然，你需要设定好时间、费用、可选项等等的范围。

Of course, you set boundaries of time, money, choices, and so forth.

youdao