是有区别的。但是意思一样,都是:...是...的两倍twice as much as中的much用于修饰不可数名词,所以后面只能接不可数名词;twice as many as 中的many用于修饰可数名词,所以后面只能接可数名词。例如:1、h** money ** twice as much as mine. 他的钱是我的两倍。2、h** toys are twice as many as...
在意义上:它们都可以有“只要”的意思 区别: so long as:1.只要.eg:he need not step down so long as they support him.只要他们支持他,他就不用辞职. 2.既然,由于. as long as:1.达.之久 2.=so long as so far as:=as far as 1.到.那么远;远到,一直到 2.(表程度、范围)就.;尽....