But sadly, no central planner can know which people need to go where when and how much value should be attached to each trip.Only the individuals themselves know this.
但遗憾的是，没有哪个中央计划系统能知道人们什么时候需要去哪儿，以及他们的行程有多大价值，这只有当事人自己才知道。
But sadly, no central planner can know which people need to go where when and how much value should be attached to each trip. Only the individuals themselves know this.
但遗憾的是，没有哪个中央计划系统能知道人们什么时候需要去哪儿，以及他们的行程有多大价值，这只有当事人自己才知道。
Workplace flexibility refers to the ability of employees to modify where, when and how long work their work is performed.
弹性工作制指的是员工可以灵活安排自己的工作地点、工作时间及工作时长。
Summary: Roger E. Sanders explains why, where, when, and how to partition tables with DB2 for Linux, UNIX, and Windows—and shows how enhancements in DB2 9.7 make the process easier and faster.
简介：RogerE. Sanders解释使用DB2forLinux,UNIX,andWindows 进行表分区的原因、地点、时间和方式，并展示 DB2 9.7 中的增强如何使分区过程更简单快速。
Experts sometimes have difficulty estimating where, when or how much snow will fall.
专家有时很难预测降雪的地点、时间和降雪量。
Workplace flexibility refers to the ability of employees to adapt where, when and how long their work is performed.
工作环境弹性指的是员工适应其工作的地点，时间及工时的能力。
The need for humans to adapt to climate change is clear, but the where, when and how remain fuzzy.
很清楚，人类必须适应气候变化，但在哪里、何时以及怎样适应仍然众说纷纭。
First, you need to understand where, when and why part and assembly definitions exist in printed form.
首先，你必须了解在何处，何时以及为什么要使用打印出来的零件和组件信息。
Even Robert Frost's most familiar and most American definition — "home is the place where, when you have to go there, they have to take you in" — has another subtext, home is not where you stay.
就连罗伯特·弗罗斯特那最为人所知，最美国化的定义——“家就是那个当你不得不前往时，他们必须接纳你的所在”——也带有其潜台词，家不是羁留之所。
Even Robert Frost's most familiar and most American definition — "home is the place where, when you have to go there, they have to take you in" — has another subtext, home is not where you stay.
就连罗伯特·弗罗斯特那最为人所知，最美国化的定义——“家就是那个当你不得不前往时，他们必须接纳你的所在”——也带有其潜台词，家不是羁留之所。
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