the internal cause

基本解释

Therefore, the growing trade protectionism is the internal cause of the failure of the Seattle Conference.
因此，贸易保护主义日益严重是西雅图会议失败的内在原因。
CONCLUSION: Structure weak area of tooth was the internal cause of cracked-teeth occurrence, and traumatic occlusal force was the external factor tha.
结论：牙结构的薄弱环节是牙隐裂发生的内在因素，创伤性（?）力是促使牙隐裂发生的外在动力。
PuSi into phil It has already been analyzed, on the field just like external cause, and fighting progressive is the internal cause, internal and external combination will reach the acme.
前面已经分析过了，放到喜欢的领域只是外因，而拼搏进取是内因，内外结合才会达到极致。

The drug was also found to cause profound damage to the eyes, ears, heart, genitals, and internal organs of developing babies.
FORBES: Thalidomide: A Specter Still Haunts the World
After a billionaire businessman attempted to rejuvenate a liberal opposition party called Right Cause, the Kremlin organized a clumsy internal coup to remove him.
FORBES: The Washington Post Editorial Board Makes a Hash of the Russian Election

内因
Professor Jin think that deficiency of the liver, the kidney, essence, and blood is the internal cause of RA, while the blood stasis exists during the whole pathological changes of RA.
认为肝肾不足、精血亏虚是RA发病的内因，且血瘀存在于RA全病程。