A lesson is repeated until learned. A lesson will be presented to you in various forms until you have learned it.

教训将会以各种不同的形式呈现给你，直到你吸取为止。

youdao

A lesson is repeated until learned. A lesson will be presented to you in various forms until you have learned it.

教训将会以各种不同的形式呈现给你，直到你吸取为止。

youdao