A duo is two musicians, singers, or other performers who
perform together as a pair. You can refer to two people together as
a duo, especially when they have something in common.
from
Google.
有没有想过,用一分钟的时间使自己处于一种放空的状态.然后当你在清醒过来的时候,
有没有想过,用一分钟的时间使自己处于一种放空的状态.然后当你在清醒过来的时候,
