Pledges on Europe need treating with caution, but if you wanted a real referendum lock, this is what it would look like.

对欧盟的承诺需要谨慎对待，但是要想建立一个真正意义上的公投机制，就得这样。

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When we look for a solution to the dilemma, we must explore as many options as possible, approaching the practice of whistle blowing with caution.

在为面临的困境寻求解决方案时，我们应该探索尽可能多的方法，谨慎处理泄密的问题。

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Wade Hansen : I guess with ETF investing, I would start with a caution first: If you look at the ETF universe, more and more ETFs are coming to market all the time, and some managers are bringing them out as actively managed ETFs.

FORBES: 5 ETFs to Ride the Market's Uptrend

The Archbishop is calling for a fresh look at sentencing policy, urging ministers to exercise "caution" in creating more criminal offences with jail sentences.

BBC: NEWS | UK | England | Oxfordshire | Bishop's fears over jailed mother