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发货时间和数量是否影响价格？
What is the lead time and quantity break on price?
youdao
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适当的减少练习的时间和数量，要循序渐进的取得进步。
Decrease the amount of time and number of exercises and slowly build upwards.
youdao
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适当的减少练习的时间和数量，要循序渐进的取得进步。
Decrease the amount of time and number of exercises and slowly build upwards.
youdao