It had also the disadvantage of not giving me that technical mastery which the effort of learning step by step alone can give.

而缺点亦有，我无法精通在一步步的努力中所能获得的技艺。

youdao

Others that man’s mastery of language or his capacity for imitation and social learning hold the key.

一些人以为，或许是大脑中的化学物质使得我们可在技改上小修小补，另有人则认为答案在于人类对于语言的掌控或是其擅于模仿以及运用社交学习的能力。

youdao

Limitations on sentence structure are also quite minimal. The most difficult aspect of learning Japanese is the mastery of the reading and writing of kanji.

句子结构的限制也很少，最难的方面可能是读写日本汉字。

youdao

And it's in these years after his graduation from college that Milton embarks upon what is essentially a systematic study of all available knowledge. He commands a mastery of just about the entire canon of Western literary and historical learning.

就是在他毕业后的这些年里,弥尔顿开始着手系统的学习,方方面面的知识，他想要精通,整个西方文学和历史经典。

耶鲁公开课 - 弥尔顿课程节选

Indeed, Common Core and competency-based learning should be a natural fit, as the former creates learning maps for students to master that can shift the emphasis from time to mastery of deeper learning.

FORBES: Could Competency-Based Learning Save the Common Core?

Although we have a few models that have been able to personalize learning and do a better job of instituting mastery-based learning for students, no one has figured out how to do it at scale per se yet, and there is still plenty of room for growth in student outcomes.

FORBES: Steps and Leaps Into Next-Gen Learning

There is something here for everyone, be it Mastery of Community Management or learning how to make dumplings.

FORBES: Skillshare: Non-Traditional Education 2.0