求助
1、if someone says :"He gives 110 percent."他意思是什么?
2、if someone says:"I was watching 20-22 last night and I heard that short term memory loss is a problem for baby boomers." 20-22作何解?
3、“We maintain a 24/7 precence in that area”, 作何解?
4、“If u went to an inner city high school and got a 4.0 GPA, you'd probably get downgraded to a 2.5.” 4.0作何解?
5、"part of the price goes to 501(c)(3), so the buyer can deduct that part."
501(c)(3)作何解?