Either there is the required commitment to study, learn, observe, listen and memorize, or there is not.

要么是有必要的承诺，学习，了解，观察，倾听和记忆，或没有。

youdao

Either there is the required commitment to study, learn, observe, listen and memorize, or there is not.

要么是有必要的承诺，学习，了解，观察，倾听和记忆，或没有。

youdao