You want to allow the user to select a single course from the course directory.
您希望允许用户从课程目录中选择单个课程。
For example, they may allow buyers to select a cheaper but less known product.
比如说，商家允许顾客购买比较便宜但是知名度较低的产品。
This will allow us to see and select the geometry.
这将使我们能够看到和选择的几何形状。
Select or clear the Allow Moving check box.
选中或清除“允许移动”复选框。
Select or clear the Allow Customizing box.
选中或清除“允许自定义”复选框。
Select or clear the Allow Customizing box.
选中或清除“允许自定义”复选框。
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