我找到了答案.是的，我确实需要SDK. Windows编译器需要在Windows计算机上使用Pip从源安装非纯Python软件包"，并且包含在Microsoft Build Tools中.可在此处找到更多信息: https://wiki.python.org/moin/WindowsCompilers

I found the answer. Yes, I do need the SDK. Windows compilers are required to "Install a non-pure Python package from sources with Pip" on Windows machines and are included in Microsoft Build Tools. More information can be found here: https://wiki.python.org/moin/WindowsCompilers