在分组数列中，各组的次数有权衡各组变量值轻重的作用，某组的变量值越大，对平均数的影响就越大。
1、正确错误
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Ifyouincreaseyourinitialorderto30,000,Isupposewecouldconsiderreducingthepriceto300,080$perunit.
工作压力过重会导致抑郁，焦虑，甚至自杀。
Besusceptibleto
Welookforwardtoyourearlyreplyandtrustthatthroughourmutuallycooperationweshallbeabletoconcludethistransactionwithyouinthenearfurther.
ThankyouforyourquotationdatedMay20th.Andthisisourofficialorderfor10palacelanterns.
