根据自身特点;从本质上来讲
because of its own features
Psychology is by definition an inexact science. 从本质上来讲，心理学不是一门精确的科学。
The hospitality industry, by definition, caters to others' needs.
An economic stimulus is, by definition, temporary.
By definition, and in contrast to the cosmos, humans are short-lived.
War is, by definition, brutal.
This is an immensely complex situation so any simple solution is, by definition, wrong.
See also: definition (EXPLANATION)