Mr.Brown was asked about those sentiments being expressed up and down the country.
VOA: standard.2009.11.10
They're colored different here to indicate one new difference that you know about now, and that's that there is an orientation, there's an up and down on the chain.
这里被涂成不同的颜色,来表示另一个不同之处,它是有方向的,表示双链一条向上,一条向下
So it's about 15 up and 15 down, then afterwards.
所以,大约是15分钟往上,15分钟往下,然后开始下一轮。
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