A mind which really lays hold of a subject is not easily detached from it.
真正掌握一门学科的头脑是不容易脱离它的。
-- Ida M. Tarbell 塔贝尔
A mind which really lays hold of a subject is not easily detached from it.
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A mind which really lays hold of a subject is not easily detached from it.
真正掌握一门学科的头脑是不容易脱离它的。
-- Ida M. Tarbell 塔贝尔
