Either...or...
其它 Other或...或..., 不是...便是..., 要么...要么..., 不论...还是...
🗣️ 情景例句
Make yourself at home.
勿客气。
He is playing on the see-saw in the yard.
他正在院子里玩跷跷板。
Some plays are so successful that they run for years on end,
有些剧目十分成功，以致连续上演好几年。