也许，如果您尝试使用PayPal可以更好，请参阅@网站付款标准 https://cms.paypal.com/us/cgi-bin/?cmd=_render-content&content_ID=developer/library_download_sdks [ ^ ]

Maybe, if you try to use PayPal can be better, see @"Website Payments Standard" https://cms.paypal.com/us/cgi-bin/?cmd=_render-content&content_ID=developer/library_download_sdks[^]