Are these checks necessary — or sufficient — for your environment? That will depend on your requirements and how thorough you need to be; for example, do you need to check for?

这些检查对于您的环境是否必要(或足够)？

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We will maintain sufficient strength to prevail if need be, knowing that if we do so we have the best chance of never having to use that strength.

我们将保持足以在必要时取胜的力量，这样我们才最有可能不必动用这种力量。

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It goes without saying that work without rest will do harm to health. In other words, we had better take sufficient recreation to relax after work.

不需说，工作而不休息会对健康有害的。换句话说，我们最好工作后，从事充分的消遣来轻松一下。

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While many Americans would love to own a business, they are often dissuaded because they do not believe that their passion will reap sufficient profit to sustain them financially.

FORBES: Step 2 for a Successful Startup: Identify, Utilize, and Develop your Talents or Skills

We will maintain sufficient strength to prevail if need be, knowing that if we do so we have the best chance of never having to use that strength.

CNN: Inaugural Address

"We were not given sufficient confidence today that the arrangement for funding the fines from bonuses will do what it says on the tin, " he said.

BBC: RBS sign