使博洛格的项目获得成功的那些因素，例如组织良好的经济、运输和灌溉系统，在整个非洲都严重缺乏。

Those elements that allowed Borlaug's projects to succeed, such as well-organized economies and transportation and irrigation systems, were severely lacking throughout Africa.

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因此，有效的测试是一个项目获得成功的关键因素。

Therefore, effective testing is essential to the success of a project.

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然而，不管你是什么情况，你都会发现，经验和某种程度的商业敏感是自由职业生涯获得成功至为重要的因素。

Whatever your circumstances, however, you will find that experience and a certain amount of business acumen are the things that matter most in a successful freelance career.

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