The chief source of all this passion is that thought for what is absent and future, which, with man, exercises such a powerful influence upon all he does.

这种激情的主要来源是对所缺少的和未来的思考，这种思考和人一起，对他所做的一切产生了如此强有力的影响。

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The chief source of livelihood of lesser dignitaries was petty office and graft.

较小头头的主要生活来源，是占据一个小职位，收点贿赂。

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Personal banking is the chief source of profits for commercial banks in the West .

在西方，个人银行业务是商业银行最主要的利润来源。

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For each laid-off miner, up to ten dependants lose their chief source of income.

ECONOMIST: South Africa

This has robbed Canada of its national pastime and many small businesses of their chief source of revenue.

FORBES: The Most Important Billionaire In Canada

The production of copra, which formerly constituted the islanders' chief source of cash income, has fallen to negligible levels.

CNN: HE BRITISH FORCES LANDED