今天我们来看看@萌小萌主 提的话题：买衣服吧！号码，穿上是大是小，合适不合适怎么沟通 go one size up 大一号 I like this shirt, but I think I need to go one size up. It's a little too tight. What do you think? 我喜欢这件衬衣，但是我得要大一号的，这件有点紧。你觉得呢？ Yeah that's a good idea. 没错。 go one size down 小一号 And I might go one size down in this jacket.