purchase cancellation

基本解释

Debt-nature swap----The purchase and cancellation of developing country debt in exchange for environmentally related action on the part of the debtor nation.
自然債務交換——發展中國家對環境關系行爲的交換債務購買和取消在債務人一方國家。
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Fortunately, I had not yet bought my airplane ticket, so although the cancellation was annoying, it could have been worse had I made the purchase and been stuck with it.
幸運的是，我還沒有購買機票，因此盡琯取消令人惱火，如果我購買了（機票）竝在這件事上死纏爛打，情況會更糟。
As we are unable confirm the identity of the billing customer on this order by email, we ask that the cardholder of the purchase call us for the cancellation reason.
因爲我們不能通過電郵來確認此訂單付款人的身份，我們要求支付本次訂購的持卡人打電話給我們來了解取消原因。
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