本质上英文

the cause of his pain is due to the anger of his incapability.

entitative difference

differences in essence

The essence of one's suffering is the anger to his disablement. essence n. 本质,实质;要素;本体suffering n. 痛苦disablement n. 无能

in factas a matter of factactually

in effect 实际上 (规律,法律等)生效,有效,在实行中 （一般用于句中）in fact（一般用于句首）差别挺大

it seems that he likes playing basketball, but in fact his favourite sport is football. 看起来他很喜欢打篮球，但实际上他最喜欢的运动是足球。

essential difference

essence。美 /_esns/；英 /_esns/。essencen. 本质，实质；精华；香精；n. (Essence)人名；(英)埃森丝，naturen. 自然；性质；本性；种类；n. (Nature)名；(法)纳蒂尔。1虽然细节复杂，地方税本质上是简单的。Though complicated in detail, local taxes are in essence simple.2他本质上来说是个教师而不是经理。He was, essentially, a teacher, not a manager.3维和行动本质上很难预先计划。Peacekeeping, by its nature, makes pre-planning difficult.