Their medical problems are basically physical in origin.

他们的疾病基本是身体上的问题造成的。

The illness is organic in origin.

该病起初是器质性疾患。

Some japanese words are Chinese in origin.

部分日本文字起源于中国文字。

Nylon differs from silk in origin and cost.

在来源和成本上尼龙和丝不同。

Were Darwin's symptoms physical or psychological in origin?

那么达尔文的症状最初是生理上的还是心理上的？