It is difficult to understand this kind of _______ calculation.
A
参考译文：很难理解这种错综复杂的计算。intricate错综复杂的，纠缠不清的;varied不同的，种种的;indispensable不可缺少的，绝对必要的;equable变动甚少的，稳定的。
I’vegottheorderfromthebossthatthework_______finishedbefore5p.m.today.
翻译：Sineethepremiumvarieswiththescopeofinsuranee,extrapremiumisforbuyer'saeeount,shouldadditionalrisksbecovered.
Thisisourbestprice,____whichwehaveconcludedmanyorderswithotherbuyersinyourcity.()
翻译：WeadvisedyouinourletterofDec.1,thatwewouldliketoplaceatrialorderwithyoufor50piecesFlyingPigeonBicycles.
Somelinguiststhoughtthatalllanguages______andwereruledbyacommongrammar.