这个参照体可大可小, 可以是容他性的也可以是排他性的; 可以是正式的、或非正式的.The group can be large, small, inclusive , exclusive, formal or informal.排他性的交易和搭卖安排对分配过程中的竞争造成遏制作用.Exclusive dealing and trying arrangements hamper competition in the distributio...
"I'm afraid he's ill." — "I'm sorry to hear that."“恐怕他生病了。”——“真是遗憾。”She was so ill that she was put on a respirator.她病得很严重，被戴上了人工呼吸器。These various complaints are part of a continuum of ill-health.这些各种各样的疾病...
Twelve hours is the minimum, sixty hours the maximum.12小时为下限,60小时为上限.You have to develop your capabilities to the maximum.你必须尽你所能。Dry curly hair naturally for maximum curl and shine.让卷发自然变干，才能使头发卷最多，最有光泽。...
Billy leaned forward and brushed a speck of dust off his shoes.比利俯身擦掉了鞋子上的一丝灰尘。...a speck of blood.一点血迹I've got a speck of dirt on my shirt.我的衬衫上有一点污垢.He rejoices at every speck of dust that receives it and lives.他为...