外在的原因英语怎么说

外在的原因指的是导致某些事情发生的外部因素。在英文中，可以用 "external factors" 来表示这个概念。

来源：这个词是由 "external" 和 "factor" 组合而成的。"External" 指的是外部的，来自拉丁语 "externus"，意思是外面的、外在的。"Factor" 指的是导致、原因，来自拉丁语 "factor"，意思是做、制造者。

一些英文例句及其中文翻译如下：

The company's financial troubles were caused by external factors such as the economic recession and increased competition. (公司的财务困难是由经济衰退和竞争加剧等外在因素造成的。)
Many people attribute their success to internal factors like hard work and determination, but external factors like luck and opportunity also play a role. (很多人将自己的成功归功于努力工作和决心等内在因素，但是运气和机会等外在因素也起到了一定的作用。)
The scientist controlled for external factors that could have affected the experiment's results. (科学家控制了可能影响实验结果的外在因素。)