learn后面是加doing还是todo（learn to do 和learn doing的区别）

learn后接to do或doing都可以

例句

1.

You must learn to accept defeat with good grace.

你必须学会欣然承认失败。

2.

Actors must learn to project their voices.

演员必须学会放开声音。

3.

You're going to have to learn to give and take.

你们必须学会互相迁就。