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1. Australia, put in to bat, made a cautious start.

轮到澳大利亚队出场击球，他们开始打得很谨慎。

2. Investors are playing it cautious, and they're playing it smart.

投资者审慎精明地行事。

3. The policy was rejected in favour of a more cautious approach.

这项政策未被采纳，取而代之的是一项较为谨慎的策略。

4. Employers may become overly cautious about taking on new staff.

雇主在雇用新职员时可能会变得过于谨慎。

5. The president became more cautious as his popularity dipped.

由于支持率有所下降，总统变得更加谨慎了。