发布版本中的优化通常是打开的。
接着，打开一个命令行终端，键入cd+空格+你下载的文件的路径（通常是你主文件夹中的~/Desktop）。
Next, open up a command line terminal and type cd followed by a space and the destination directory of the file you've just downloaded (this is normally going to be ~/Desktop for your desktop.
在我们中国通常是客人走后才打开礼物的。
You knew in China we usually don't open presents until the guests leave.
他们用一个简单的方法选择服装：每天早上谁先打开衣柜(通常是南希)，谁就为两人选出当天穿的衣服。
They choose what to wear by a simple method: whoever gets to the wardrobe first in the morning (usually Nancy) gets to pick the outfit for the day.
油器通常是一个较小的电动阀，由电信号控制打开和关闭。
The fuel injector is basically a tiny electric valve, which opens and closes with an electric signal.
油器通常是一个较小的电动阀，由电信号控制打开和关闭。
The fuel injector is basically a tiny electric valve, which opens and closes with an electric signal.
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