So the expansion against lower pressure draws less heat from the hot reservoir right.

所以压强较低时的膨胀,从高温热源吸收的热量更少。

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