If persistent irritation occurs, stop using and consult a doctor.

如有敏感情况，请停止使用并咨询医生。

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Bradycardia, if persistent, should be controlled by the insertion of a pacemaker as soon as possible.

如果持续出现心动过缓，应尽快使用起搏器。

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Not only should we try to learn from it if we want to succeed, we must also be persistent.

如果我们想要获得成功，不仅要努力从中学习，还要坚持不懈。

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It's going to be cancelled next year. I won't get my money back.' Loans must be made even if the debt will be cancelled, for the simple reason that the problem of poverty is a terrible and persistent problem.

因为在来年贷款会被解除，他们就收不回自己的钱了,即使是债务会被免除，人们也必须给人借贷，这仅仅,是因为贫困是一个长久存在的可怕问题。

耶鲁公开课 - 旧约导论课程节选

If persistent, this trend amounts to a catastrophe for an industry that holds its most valuable assets neither in gold vaults nor in brand value, but in brainpower.

FORBES: What Is The Next Banking Crisis? (Hint: It Cannot Be Solved With Money)

But it could also, if vigorously persistent, end up doing in the deal through interminable delays.

FORBES: Magazine Article

If a persistent shift in raw material prices occurs, Coca-Cola is able to pass the impact along to the consumers.

FORBES: Buying Bottler Gives Coke Profit Upside