A combination of internal and external factors caused the company to close down.

内外因结合导致了公司的倒闭。

《牛津词典》

Genes aren't static and can be influenced by a variety of internal and external factors.

基因并不是一成不变的，能够被许多内在的外在的因素所影响。

youdao

The growth of talented people involes two basic conditions internal and external factors.

人才成长离不开两个基本条件——内在因素与外在因素。

youdao

In our own analysis of our problem, we feel the currency crisis is both the product of internal and external factors.

CNN: 'We Remain Confident'

Too many internal and external factors are involved for any company to implement their plan without some degree of change along the way.

FORBES: Strategy Ain't What it Used to Be

Both external and internal factors are making the UAE authorities nervous.

ECONOMIST: The United Arab Emirates