They are time-bound.

它们是有时间限制的。

We have again embarked on an urgent mission aimed at reaching ambitious, time-bound goals.

我们再次着手一项紧急任务，目的是要实现有时间限制的雄心勃勃的目标。

They have demonstrated the value of focusing international action on a limited number of time-bound objectives.

它们显示了着重于数量有限的、有时限的目标的国际行动的价值。

Enter the time-bound call objectives such as securing annual meeting, calling on birthdays, anniversaries, etc.

进行目标时间段的拜访，象年会，生日及纪念日等。

The genius of Fish's reading of Milton's similes is to understand the particularly time-bound nature of Milton's verse.

费什解读弥尔顿的比喻的天赋，能够帮助我们理解弥尔顿的韵诗在特定时代下的本质。