尽力做好就可以，时间管理不是一门精确的科学。

Try as we all may, time management isn't an exact science.

youdao

输入需要管理的站点的精确地址并单击Block、Allowfor Session或Allow。

Type the exact address of the site you want to manage and then click Block, Allow for Session, or Allow.

youdao

输入需要管理的站点的精确地址并单击Block、Allowfor Session或Allow。

Type the exact address of the site you want to manage and then click Block, Allow for Session, or Allow.

youdao