但是，在他到达那里之前，他需要多一些练习，以完善他八步改七步的新起跑方式。
But, before he gets there he wants some more practice to perfect his new start which has been adjusted from eight to seven steps.
这个练习为了完善你对于句子的把握。
This exercise is intended to increase your powers in sentence writing.
你能通过自学和实际的练习不断完善这门艺术。
You can perfect this art through self study and actual practice.
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