Somebody once said to follow the path others have laid before you is a reasonable course of action.

有人曾说过，遵循前人走过的道路才是正确合理的选择。

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A social, legal, or moral requirement, such as a duty, contract, or promise that compels one to follow or avoid a particular course of action.

社会、法律或道德要求，如强迫某人服从或避免某些特定行为的义务、合约或诺言。

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To map out a course of action and follow it to an end requires some of the same courage that a soldier needs.

制定行动计划并坚持到底需要战士般的坚强勇气。

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Responding to calls for a wider inquiry, the Scottish government said it was up to councils to consider whether they wanted to follow a "similar course of action" to the Edinburgh investigation.

BBC: Baby ashes scandal: Lib Dems join call for inquiry

But our ability to almost unilaterally determine what course of action we follow, whether it's for a financial problem or for a military problem, is not what it used to be.

NPR: Felix Rohatyn's View Of The Financial Crisis