These different types should be treated in alternate flows of events, and the business rules must also consider them, by computing room charges under different booking types, for example.

这些不同的类型应当按照可选流来对待，并且业务规则也必须考虑它们，例如，通过计算不同预订类型的房间费用。

youdao

For example, if there is a use case to make a room booking, there must also be computation rules to determine the room charges.

例如，如果有一个用例是进行一个房间预订，也必须有一个计算规则来确定房间费用。

youdao

Unlike with the merchant model, consumers booking hotels with allhotels pay no booking fees and the hotel charges their credit cards only at check-in or checkout, depending on each property’s policy.

有别于净价模式，消费者在allhotels订房时不需要支付预订费用，然后酒店在客人登记入住或退房时（根据不同酒店的规矩而定）直接向客人收取房间费用。

youdao

Firms may be booking much bigger restructuring charges than they should, creating a reserve of money to draw on to boost profits in a difficult future year.

ECONOMIST: American profits

This could cover purchases such as cinema tickets and charges imposed by booking agencies and even councils.

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Under the partnership, Expedia has waived visa-processing charges for its users booking international packages.

FORBES: Expedia's Global Growth Soars With Asian Partnerships