The map can be moved with a left-click, drag mouse action, and the scale can be changed with the zoom control in the upper left corner of the map.
通过左键单击、拖动鼠标动作可以移动地图，通过地图左上角的缩放控件能够改变地图的比例。
Operate guidebook: Mouse the left key control, clicking to trigger affairs.
操作指南：鼠标左键控制，点击触发事件。
You can switch mouse buttons if you are left-handed. Just double-click the mouse icon in Control Panel.
如果您习惯用左手，可以交换鼠标左右键功能。方法是双击“控制面板”中的“鼠标”图标。
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