因为我有退休金，所以在费用持续上涨的时候我可以合理收费。

Because I have my pension I can charge students well below the going rate.

youdao

网站赚钱的策略也非常简单：他们会通过各种方式激励免费用户升级成收费合理的高级用户。

The monetization strategy is simple enough: Free users are given an array of incentives to upgrade to reasonably priced premium accounts.

youdao

有两个看似合理的理由驳斥反对增收费用。

There are two plausible arguments against raising fees.

youdao