他认为有必要先掌握一些规则，然后再干。
He believe it necessary to learn some rules before doing it.
我想完完全全地掌握和非常自然地使用语法规则！
I want to completely master and naturally use grammar rules.
你想要很自然地掌握英语语法规则吗？
Do you want to completely master and naturally use grammar rules in English?
我想完完全全地掌握语法规则和非常自然地使用语法规则！
那就熟练的掌握游戏规则，直到你比他们玩儿的更好。
Then master the rules of the game, until you play it better than they can.
你想彻底掌握并自如运用语法规则吗？
Do you want to completely master and naturally use grammar rules?
掌握国外禁毒动态，逐渐学会对外合作的“游戏规则” ；
To keep abreast of foreign drug-control development and the "Game Regulations"on international cooperation;
掌握国外禁毒动态，逐渐学会对外合作的“游戏规则” ；
To keep abreast of foreign drug-control development and the "Game Regulations"on international cooperation;
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