这两道数学题中，我只能解出较容易的那道。

Of the two math problems, I can just work out the less difficult one.

youdao

但如果在转换中获取，并被自动地应用，修改转换和再生成是较容易的。

But if captured in a transformation and applied automatically, it's easier to modify the transformation and regenerate.

youdao

再往后走就开始复杂起来（是的，这些复制操作是较容易的一部分）。

At this point, things start to get more complicated (yes, all that copying was the easy part).

youdao

Now, people are studying obese subjects because there're weight loss programs, like the one we had, and the subjects are available.

现在人们开始以肥胖者为实验对象,因为有许多减肥的项目,肥胖的实验对象是较容易找到的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选