Until now, many sellers that have a physical presence in only a single state or a few states have been able to avoid charging sales taxes when they ship to addresses outside those states.

到目前为止，许多只在一个州或几个州有实体店的卖家，在往这些州以外的地方运送货物时，都能够避免征收营业税。

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It was not until 250 years later that they formed a single state.

直到250年后，他们才成立一个单独的国家。

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Into a single state, it would be more populous than Wyoming, vermont.

进一个州的话，这个州肯定会比怀俄明州，佛蒙特州和北达科他州还。

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Jeff Levi is one of the authors: "In 1991,there wasn't a single state that had an adult obesity rate over 20 percent."

VOA: standard.2010.07.02

So the system will not be described by a single state variable during the path.

因此系统将不能被,路径上的单一状态变量描述。

麻省理工公开课 - 热力学与动力学课程节选

We also need to follow Hund's rule, this is that a single electron enters each state before it enters a second state.

我们也需要遵从洪德规则，这是一个电子在进入第二个态之前,要进入每一个态。

麻省理工公开课 - 化学原理课程节选

Will additional merger conditions be imposed after all this time by a single state?

ENGADGET: Pennsylvania takes second look at Verizon-MCI merger

Several right-wing groups in Israel believe new ways must be found to strengthen a single state of Israel.

BBC: Reconsidering the two-state solution

In a 1990 CDC study, not a single state had an obesity rate greater than 15 percent.

FORBES: A Cautionary Tale: 575-Pound Spokesman for 'Heart Attack Grill' Dies at 29