If an amount of money is non-refundable, the seller will not pay it back. Deposits, plane tickets, concert seats, and some course fees are often like this.

If如果 an amount of money一筆錢 is non-refundable是 non-refundable（不可退款）, the seller賣方 will not pay it back就不會把錢退回來. Deposits, plane tickets, concert seats, and some course fees訂金、機票、演唱會的座位，還有一些課程費用 are often like this常常都是這樣.

You pay, and if you change your mind — or even if you get sick — the money stays with them, unless their own rules or the law say otherwise.

You你 pay付了錢, and if you change your mind如果你改變主意 — or even if you get sick或甚至你生病了 — the money stays with them錢還是留在對方那裡, unless their own rules or the law say otherwise除非他們自己的規定或法律另有規定.

Though actually, 'non-refundable' is the starting rule on the form, not a magic wall: a company may still refund you to keep a customer, and consumer law sometimes forces a refund when they cancel, or when the product is faulty. Read the small print.

Though actually不過其實, 'non-refundable' is the starting rule on the form「non-refundable」只是表格上一開始定的規則, not a magic wall不是一道無法打破的牆: a company一間公司 may still refund you to keep a customer還是可能為了留住客人而退錢給你, and consumer law而且消保法規 sometimes forces a refund when they cancel有時候在他們取消的時候會強制要求退款, or when the product is faulty或是產品有瑕疵的時候. Read the small print要看清楚小字條款.

A ticket can be non-refundable but still changeable for a fee, or neither. The opposite is refundable: they promise to give the money back if you cancel in time.

A ticket一張票 can be non-refundable but still changeable for a fee可能是不能退但可以付費改期, or neither或者兩者都不行. The opposite相反的是 is refundable refundable（可退款）: they promise to give the money back他們承諾會把錢退回來 if you cancel in time只要你及時取消.