The sick were allowed to pass free.

病人可以免费通过。

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Shannon showed that noise sets a limit on the rate at which information can pass along communication channels while remaining error-free.

香农指出，噪声限制了信息在保持无差错的情况下沿通信信道传递的速度。

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But generals are as fallible as the rest of us and should not receive a free pass from their civilian counterparts.

但是，这些将军和我们普通人一样是容易犯错误的，不应该从普通民众那里获得免费的通信证。

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He urged lawmakers to pass free-trade agreements with South Korea, Panama and Colombia.

FORBES: Full Circle

It's a subtle hint to Congress to hurry up and pass free-trade agreements with Panama, Colombia and South Korea, which the Bush administration has already negotiated.

FORBES: White House Report Says Economy Will Rebound In 2008

The universities, including Arizona State, the University of Cincinnati and the University of Arkansas system, are hoping that students who pass the free MOOCs will then enroll in the schools and pay tuition to earn a degree.

FORBES: Free Online College Courses Take Big Step Forward