即使您的组件具有远的未来过期标头，一个条件GET请求仍付款时，用户点击Reload或刷新。
Even if your components have a far future Expires header, a conditional GET request is still made whenever the user hits Reload or Refresh.
他们请求可否等到现金情况好转时才付款。
They asked if they could postpone payment until the cash situation is better.
例如，当事人可以在合同中约定，当买受人迟延付款、损害出卖人利益时，出卖人有权解除合同或请求支付全部价款。
For example, party can agree in the contract, pay tardily when vendee, damage when selling person interest, betray a person to authority removes contract or request pay total cost.
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