因为他还小，所以没有上学，就待在家里帮妈妈看着小妹妹。

So he not go to school. Stay at home look after his sister with his mother.

youdao

因为他还小，所以没有上学，就待在家里帮妈妈看着小妹妹。

So he not go to school. Stay at home look after his sister with his mother.

youdao