只要有理由相信通话的一端处于美国本土以外，就允许美国情报机关在没有得到法院许可的情况下监控国内的电话。

S. intelligence agencies to monitor domestic phone calls without court permission, as long as one end of the conversation is reasonably believed to be outside the United States.

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确定是否由司机发短信或打电话造成车祸的其中一个难题在于：许多警察机关没收集此方面的数据或者还未组织长期的研究。

One difficulty in measuring crashes caused by texting drivers — and by drivers talking on phones — is that many police agencies do not collect this data or have not compiled long-term studies.

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起初，这部电话没有线，用于德国邮政机关。

At first the telephone had no ring. It was used by German postal authorities.

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