During the time that:在…的时间之内：I'll stay as long as I can.我能呆多久就呆多久
Inasmuch as; since:既然；因为：As long as you're up, get me a drink.既然你已经起来了，给我弄点喝的
Under the condition that; provided that:以…为条件；只要："So long as we don't understand it too well, every other language is poetry"(Anatole Broyard)“只要我们对别的语音还不太了解，它们就都是诗”(阿纳托尔·布鲁瓦亚尔)