For the 25% forcing case the net solar feedback ultimately becomes positive as temperatures warm.

常数增加25%的试验，净的短波云反馈随温度增加最终变为正值。

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For years, tax experts and business lobbies have lectured the states that they'd have a better case for forcing out-of-state sellers to collect their taxes if sales taxes weren't such a complicated mess.

FORBES: Magazine Article

In market theory the "selfishness" of the economic agent - in this case the GP practice - drives the efficiency of the system by forcing other economic agents to compete to provide the most efficient service.

BBC: Health Bill: Where's the strategic argument?

The choke point ripples across the economy, forcing some companies to abandon just-in-time shipping and stockpile goods in case of delays.

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