In the past year, however, software companies have developed tools that allow companies to “push” information directly out to consumers, transmitting marketing messages directly to targeted customers.请问:transmitting的逻辑主语是?
The problem is that catalysts and membranes have been expensive until recently.请问这里catalysts and membranes是最近才开始变贵,还是从以前到最近一直都是这么贵,还是说以前一直贵,但最近不贵了?还请教 until recently 是否有多种不同的用法?
Among the US$3.3 billion in goods it slapped tariff on in May were in Harley-Davidson motorcycles,Kenturky bourbon and Levi’s jeans.1.句子中前面已经有一个slapped,词典中用法是slap sth on sb/sth,后面还有一个were,这里的slap是看作定语修饰前面的it吗...