例如：Compared with DoD's plan, the options would yield greater improvemnets in reception and would yield improvements sooner.A theoretical framework is provided, consisting of negative reinforcing feedback loops that act as drivers behind future industry change.
a1：Our experimenntal data are not precise because the devices are in poor condition.（含糊）a2：Our experimenntal data are not precise because the devices are not working properly.（具体）b1:The results seem to be satisfactory.（含糊）b2:We are satisfied with the result that . （具体）
trend和tendency均含“趋势,倾向”之意.trend指事物发展总的方向、倾向或趋势,它指的是整个社会或者比较大群体的一种趋势或者潮流,例如：The current trend is towards informal clothing.目前的趋势是穿着比较随便.tendency指固有或习得的倾向性,强调没有外来的影响或干扰,一般指的是人有某种倾向性或者某种趋势,例如：He had a tendency to shrink up whenever attention was focused on him.当别人注意他时,他就会退缩一旁.
felicity03
