The control and mastery of the characteristics is also the process to make the planning gradually become purposeful and practical.
特色的控制和把握也是一个使规划逐步趋于有针对性、可实施性的过程。
Through dialogue and learning, mastery of practical vocabulary and idiomatic expressions, adding cultural learning tips.
通过对话学习，掌握实用专业词汇和惯用表达，并补充文化小常识学习。
The understanding and mastery of theory is helpful to solve practical problems.
理解和掌握理论有助于解决问题。
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