When people haven't seen each other for a long time ,they might hug each other as a greeting.

问题描述:

When people haven't seen each other for a long time ,they might hug each other as a greeting.

When people haven't seen each other for a long time , they might hug each other as a greeting.

当人们好久不见的时候,出于礼貌可能会拥抱对方.