If your computer is unable to connect to your Ethernet network, check to see that the Ethernet interface is listed on the left side of the network System Preferences pane.
如果你的计算机不能连接的以太网络，检查一下你的以太网卡是否列在网络设置面板的左侧。
You must create a Bluetooth network connection through the network preference pane in System Preferences.
然后你也一样需要在网络预置窗口创建一个蓝牙网络连接。
You'll also need to set up a USB Connection in the Network pane of System Preferences.
同时，你需要在笔记本电脑的系统设置里打开网络预置窗口，添加一个USB连接。
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