"You're supposed to tip the pizza delivery driver like you tip the waiter," says the site. "They rely on tips and use their own car."

根据网站认为，你应该给披萨饼的送餐员跟侍者一样多的小费，他们靠的就是这些小费，而且是用他们自己的车。

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Photo Tip: When your subject is of indeterminate size-a mountain, a body of water, a snowscape-add a sense of scale by including something of known size, such as a person, a car, a tree, or an animal.

拍照小技巧：当拍摄对象的大小不容易看出来的时候——例如拍摄一座山，一片水域，一处雪景——在画面中加入一样可以确知大小的对象，例如一个人，一辆车，一只动物等。

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Middle-aged man is spurning the fast car for a flash bike. But is this the tip of a fitness iceberg or just a yearning for expensive gear?

中年人会为一辆崭新的自行车而丢掉快捷的汽车。但这是健康的警告还是仅仅是个人渴望一台昂贵的装备呢？

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Road blocks had been tightened after a tip-off that a car bomb was heading their way, so the perpetrators came on foot instead, queuing to shake hands with Kurdish officials.

ECONOMIST: Iraq and the Kurds

After bombing government buildings in central Oslo Mr Breivik drove past two police vehicles en route to Utoya without being stopped, despite a tip-off that identified his car licence-plates.

ECONOMIST: Norway and terrorism

First, make sure your car is in tip-top shape .

FORBES: You Forgot How to Drive In Snow, Didn't You? Six Secrets To Keep You Safe