x y v but actually the relevant variables for your problem are u and v.
只是让f的式子变得漂亮点，，So，x，and，y，are，giving，you，a，nice，formula，for，f，实际上，与问题有关的变量是u、
FLORENCE, ITALY - I actually got nostalgic for U. S. air travel.
佛罗伦萨，意大利——我对在美国航空旅行产生了怀旧的乡愁。
That kind of James Bond-style fantasy is actually on the drawing board. U.
这种詹姆斯·邦德样的幻想现在实际上已经被画上了制图板了。
But this would actually help the U. S. economy, making our exports more competitive.
但是这其实是对美国经济有所帮助的，会让美国的出口更具竞争力。
Actually, these days, l have found that l love u more than l could imagine.
你今天很累，可能都是之前你睡太少了吧，所以希望你还是要休息多点啦。
According to U. S. laws, a beer commercial can never show a person actually drinking beer.
根据美国法律，啤酒广告永远不能出现正在喝啤酒的人。
According to U. S. laws, a beer commercial can never show a person actually drinking beer.
根据美国法律，啤酒广告永远不能出现正在喝啤酒的人。
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