Always he sought someone to whom he could talk without caution.

他一直在找一个能够随便谈谈的人。

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New digital mobile phones produce less radiation, but that does not necessarily mean that they should be used without caution.

虽然新型数字手机产生的辐射较少，但这并非意味着使用时就可以无所顾忌。

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These data and indicators provided by the various producers of information are too often given an almost magical aura and are used without caution in social and political debate.

UNESCO: Measuring development - How science and politics work together

However, his optimism is not without caution.

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Without a doubt, there is also a German psychology of economic caution.

BBC: Angela Merkel's Germany pessimistic about future