现在是程序员了，想想以前是民工，一个是用脑来工作的，一个是用体力工作的，我都偿过了…

Now is programmer, think before is a laborer, one works with the head, one works with physical strength , I countervail passed…

youdao

在最初开拓的岁月里，很多港口作业都是靠那些从中国移居到当地的苦力用繁重的体力劳动来完成的。

In those early pioneering days, much of port activities relied on Chinese migrant coolies to do the heavy manual work.

youdao

有一种理论认为滑行节省体力。因此研究人员用飞鼯猴——一种来自东南亚的哺乳动物，当它们滑行时会伸展出四肢，变成一张巨大的翼膜。

One theory suggests gliding saves energy. So researchers tested that idea using colugos-mammals from Southeast Asia that turn into giant skin sails when they stretch out their legs.

youdao

You also have to factor in here how much physical work is involved in getting the food.

你还要考虑,多少体力,被用了在寻找食物上

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选