無法完成你的購買

In general, when this happens, it means your payment method is not compatible with Apple. It is the bank who makes the decision in these cases, not Apple. You can try contacting your bank or you can add a different payment method. To continue troubleshooting in your own language, I suggest you post your question to the community form link below. The additional link may be helpful in picking out a different payment method.

一般来说，当这种情况发生时，这意味着您的付款方式与苹果不兼容。 在这些情况下，是银行做出决定，而不是苹果。 您可以尝试联系您的银行，或者您可以添加其他付款方式。 为了继续用您自己的语言进行故障排除，我建议您将您的问题发布到下面的社区表单链接中。 附加链接可能有助于选择不同的付款方式。

官方 Apple 支持社区

Payment methods that you can use with your Apple Account - Apple Support