The left column provides navigational controls that enable you to select the products you want to work with, switch the topic you are interested in, or invoke a search.
左栏提供了导航控件，可以在这里选择想要使用的产品、切换感兴趣的主题或调用搜索。
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In a recent Vox column, Jeffery Frankel argued that the Gulf States should switch their currency pegs from the dollar to a basket that includes oil.
Finally the wire feeds into a lantern lights column connections, switch and lamp bead light, the light out from rabbits and everyone silhouette and sparkling, can be beautiful!