On two separate morning visits to the scientists' lab, each man walked for an hour at an average speed that, in theory, should allow his body to rely mainly on fat for fuel.

在科学家的实验室里，每个人分别在上午的两次访问中，以平均速度走了一个小时，理论上，他的身体应该主要依靠脂肪作为燃料。

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In the process of looking for first job, migrant workers rely mainly on genetic social network.

在寻找首份工作的过程中，农民工主要依靠亲缘社会网络。

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After dark, houses not connected to the electricity grid rely mainly on open-flame kerosene lamps for light.

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The world's poorest countries rely mainly on interest-free loans or grants made through the International Development Association (IDA), an arm of the bank.

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But only a small proportion of Chinese companies are listed on the stock exchange and those that are rely mainly on internal finance.

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