To kill off the mouse before perfecting a replacement would be to walk into a trap.

在完善替代品之前就要杀死这只老鼠，无疑是自投罗网。

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A few days later, Kevin catches what again seems like the last mouse of the year in an American trap that he'd left under the sink, just in case.

几天后，凯文用放在水槽下面以防万一的美国鼠夹捉住了又一只说不定是我们家今年的最后一只老鼠。

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As he was leaving his apartment, he noticed his mouse trap had a victim.

正要离开房间的时候，他发现鼠夹上夹了一只老鼠。

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Be it a better mouse trap or a newly crafted strategic policy built in an era of deep and painful cuts in military spending, the budget necessities facing all Americans demand a level of frugality not seen during the lifetimes of many of those now in uniform.

FORBES: How The U.S. Military Can Use Sequester Cuts To Its Advantage

Make a better mouse trap and the world will beat a path to your door.

FORBES: The New Green Economy Is Bleeding A Great Deal Of Green

Contrary to the famous saying, if you build a better mouse trap the world will not beat a path to your door.

FORBES: Why Businesses Fail.