No plan is perfect.

没有什么计划是尽善尽美的。

youdao

But in my experience, no plan is perfect and often you can improve it by taking on board some new ideas or perspectives; or by acknowledging that community priorities have changed or moved on.

不过，据我经验所得，没有一项计划是完美无瑕的。采纳一些新意念或新角度，或是随民众的新取向更改某些计划，也的确能够把施政工作做得更好。

youdao

Now, despite all of this, the plan's not perfect. No plan is.

尽管如此，现在这个计划是不完美的，也没有计划是完美的。

youdao

While no plan is perfect, it does seem to capture the best of both worlds.

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While many risks can be mitigated, the retiree must understand that no plan is perfect and regular maintenance is crucial.

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No reform plan is perfect, but the status quo is flatly not acceptable.

CNN: Boston bombing shouldn't derail immigration reform