This astonishing change of fortune raises two big questions. Is it durable enough to make Mr Cameron prime minister?

这个大逆转引出了两个主要问题：卡梅隆可以就势当上首相吗？

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Make sure it is durable and easy to use.

确保它耐用、方便。

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Support is designed with aluminum to make it strong and durable, black electrostatic spraying.

高标准钢制机架， 黑色静电喷涂， 坚固耐用；

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If the process is inexpensive enough, it could make for more durable clothes that last longer and need to be cleaned much less frequently.

FORBES: Chinese Researchers Develop Waterproof Cotton