Now, this idea of marginal gains will eventually get you a good jet engine.

这种边际增益的理念最终可以让你 做出一个很好的喷气式发动机。

Professional athletes spend thousands of dollars and hours of training in search of marginal gains.

职业运动员花费数千美元和数小时的训练寻求的只是边际收益。

And a lot of improvements are just marginal gains, doing something slightly better than you've done it before.

很多改进只是边际收益，做的事情比你以前做的稍微好一点。

That's why a lot of cyclists are looking for marginal gains that can be in aerodynamics, that can be in supplements, that can be in training, because all those marginal gains added up do make a difference.

这就是为什么很多骑自行车的人都在寻找空气动力学方面的边际收益——可以通过补充剂，也可以通过训练，因为所有这些边际收益加起来确实会产生影响。