A well-designed landing page for each channel partner on the corporate brand's site is largely a one-time expense.

每一个企业品牌的网站渠道合作伙伴精心设计的目标网页主要是一次性开支。

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But airport costs like terminal rents and landing fees and even the expense of buying or leasing jets, pale in comparison to the two biggest expenses at airlines: labor and fuel.

WSJ: Decoding Airline Ticket Costs