Schools should be banned so-called acts of graffiti , or should be allowed to ?
学校应该明令禁止这种所谓乱涂乱画的行为,还是应该听之任之?
On the walls the graffiti express ethnic hatred between arabs and blacks .
墙上的涂鸦宣泄着阿拉伯部落与黑人之间种族仇恨。
Graffiti have started to appear on nairobi 's streets depicting mps as vultures and hyenas .
而内罗毕的街头则已经出现了一些将国会议员画作秃鹫和土狼的涂鸦画。
Presumably on their way to clean up that nasty mess inside the louvre , they decided to hit the local caves to clean up graffiti put there by local teens .