航天工业花大力气在日益扩展的飞行领域搞研究和开发，成为世界技术进步的先锋。

The aerospace industry, which devotes a considerable portion of its effort to research and development in the broadening realm of flight, is a leader of world technological advance.

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驾船靠技术，不是靠力气。

It is skill not strength that governs a ship.

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一把好琴确实可以节省很多力气，但技术也很重要。

A nice harp will help a lot, but skills are more important.

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