用so long as,as long as造句,写明用法．

1。当用于同级比较时,as 。as 既可用于肯定中也可用于否定句中,而so。as 只能用于否定句中。His pencil is as long as mine。His pencil isn't so/as long as mine。2。当表示只要时,两者没有什么区别,可以替换。e。g。Our profits will be good as/so long as the dollar remains strong。