But it should not be assumed that all hostile bids will be successful.

但是，并不是所有的恶意出价都能成功。

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If crutches are required, it should not be assumed that the patient received preoperative instruction. Additional instruction should be offered.

如果需要拐杖，不要认为病人术前已接受过指导，应该给予另外的指导。

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Although a formal environmental impact assessment has not yet been done, it should not be assumed that thiomersal-free presentations of vaccines will yield a positive net effect on the environment.

虽然尚未开展正式的环境影响评估，但不应假设无硫柳汞的疫苗对环境产生的净效果是正面的。

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Also, it should not be assumed that investments in any securities mentioned were or will be profitable.

FORBES: Not All Bonds Are Created Equal - A Cautionary Tale for Retiree Investors

The source briefed on the investigation added that it should not be assumed that the brothers were radicalized because of their origins in the Russian Caucasus.

CNN: Suspects described as brothers from Russian Caucasus

Though the motive for the terrorist attack at the marathon is still unknown, the source briefed on the investigation added that it should not be assumed that the brothers were radicalized because of their origins.

CNN: Suspects described as brothers from Russian Caucasus