矢量加减运算是运用三角形法则。
错误
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Wearetooheavilycommittedtobeabletoentertainfreshorders.
Ifyousticktoyourcountofferwithoutanycompromisewemaynotabletomakeadeal.
按货运过程的不同阶段公路货物运输商务作业包括（）。
Notreally.Itisshrewdbusinessoperations.
Mobilephonesandtheinternetplayanimportantpartinthewaywhichpeoplerelatetooneanothersocially.Doyouthinktheadvantagesoutweighthedisadvantages?