Travel and event cost is usually a business expense.

旅行和活动的成本通常作为业务费用。

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Activity: Any event or transaction that causes a cost to be incurred in an organization.

活动：引起组织内成本发生的任何的事件或事务。

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Activity: Any event or transaction that causes a cost to be incurred in an organization.

活动：引起组织内成本发生的任何的事件或事务。

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