Discuss socially with no exchanging a lot of information; "the Adult men have been sitting while in the cafe and capturing the breeze" 参观;游览;拜访;作客 We visited a couple of galleries while we have been in Prague. 我们在布拉格时参观了几家画廊。 unofficial - not getting official authority or sanction; "a form of unofficial mayor"; https://stephenbajmu.answerblogs.com/40040945/fascination-about-what-we-offer