For truly mastering a subject-area or skill there simply is no substitute for putting in the time to review and practice.

要想真正掌握某一专业知识或技能，就要花时间进行复习和练习，此外别无选择。

youdao

The best job is one which uses your skill in doing something together with your interest in the subject.

最好的职业，是既能用的上你会做某事的技能，而又是你所感兴趣的事。

youdao

It can refer to an academic subject or a practical skill.

这一词既可指某一学科也可指某种技能。

youdao

What that means is you should demonstrate that you completely own a particular skill or subject matter and are the best at that.

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The demand for his non-existent grad program is perhaps indicative, though, of a rising interest in the subject -- and in the skill.

CNN: Human behavior: the key to future tech developments

In one of the most thorough examinations of the subject, Harvard researchers interviewed 3, 000 executives over six years, and they found that the No. 1 skill that separated innovators from noncreative professionals was "associating"--having an ability to successfully connect seemingly unrelated questions, problems or ideas from different fields.

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