要获取发票，请先访问您的Spine许可页面：
https://esotericsoftware.com/spine-license/
在底部附近，选择添加用户或续订许可证，这将带您进入结帐页面。 您可以在此处单击“需要发票吗？” 付款按钮下方右侧的链接下载发票PDF。
如果您遇到任何麻烦，请告诉我们。
To obtain an invoice, please start by visiting your Spine licence page:https://esotericsoftware.com/spine-license/
Near the bottom choose to add users or renew the license, which will take you to the checkout page. There you may click the "Need an invoice?" link on the right, underneath the pay button to download an invoice PDF.
Please let us know if you run into any trouble.
