因此有必要每天写它，每天说它，每天至少听半小时，和每天多做有关它的练习。
It's necessary to write it every day, speak it every day, listen it less than a half hour in a day, and do more exercise about it.
因此有必要每天写它，每天说它，每天至少听半小时，和每天多做有关它的练习。
It's necessary to write it every day, speak it every day, listen it less than a half hour in a day, and do more exercise about it.
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