The joy and moral stimulation of work no longer must be forgotten in the mad chase of evanescent profits.

VOA: special.2011.03.17

So, the total work that we can get out must be zero, out of the whole sum of them.

因此，我们可以从这两个热机,得到的总功，一定是零。

麻省理工公开课 - 热力学与动力学课程节选

It makes sense, right, because you know we got less work out and delta u is the same right, so it must be that less heat got transferred.

这是显而易见的，因为输出的功更少,且Δu相等，所以需要的热量更少。

麻省理工公开课 - 热力学与动力学课程节选

"Presidents Bush and Clinton will help the American people to do their part, because responding to a disaster must be the work of all of us.

VOA: standard.2010.01.16

For that to work, Parker says the Skolkova initiative must be copied throughout Russia.

VOA: standard.2010.06.18

She also said women must be at the "front and center" of U.S.development work.

VOA: standard.2010.01.06

It is other matters of course that one might regard as constituting the spirit and environment in which the GPA should work which must now be attended to,".

VOA: standard.2009.09.12