视频梗概：
Kat is going to leave for bigger and better things, yet she's a little bit nervous because she's worried about the dress code. What to wear? Casual? Business casual? Or formal? That's a tough call. So it looks like Kat has to update her wardrobe, which means, go shopping! Yanglin loves shopping but she isn't able to come along, because there is only 100 dollars left in her bank account... things are really tight these days!
dress code：着装标准
update my wardrobe：买新衣
tight：手头紧