In the following payment terms, ( ) is the safest term to the seller.
A、Paymentagainstdocuments,at30daysaftersightD
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Undernocircumstances,_goodsontheirownaccount.
Ifyoucanimproveyourpriceby3%,weshallbepreparedto_for5,000metrictons.
Thestudentsintheclasswere_____fourgroupsbeforetheystartedthegame.
Christmasis___specialholidaywhen____wholefamilyaresupposedtogettogether.
AccordingtoCISG,theacceptancecanbesubmitted()
