Normal cost estimate 450 a month!

一个月正常开销估计450元！

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Students must not only pay the normal university course tuition, but they must cover the cost for airfare,local transportation, housing,food,tickets and, of course,souvenirs.

VOA: standard.2010.02.26

Matt O'Connor, the outfit's founder (and a PR man), says his first pop-up let him launch his brand for a tenth of the normal cost, while testing product ideas.

ECONOMIST: How an alternative trend went mainstream

The cap only includes services that are available at the normal council cost.

BBC: What the cap on care costs doesn't do

In a long and reasoned essay he said that an economist's normal benefit-cost answer could not be given.

ECONOMIST: Allen Kneese