EBAY上買東西，還沒付款。

又不想要了，今天又發來一張INVOICE.下麵是這樣寫的，
Payment is due at auction end. As a courtesy, we will extend this to 4 days to combine shipping on multiple purchases paid for on the same invoice. Thank you for your patronage.

我是必須付款，還是有方法取消掉。