Background music may seem harmless, but it can have a powerful effect on those who hear it.

背景音乐可能看起来无害的但是它可以有很大的影响，对那些听到它的人。

youdao

Background music may seem harmless, but it can have a powerful effect on those who hear it.

背景音乐可能看起来无害的但是它可以有很大的影响，对那些听到它的人。

youdao