i think it's been a long time since i've heard anyone is good

问题描述:

i think it's been a long time since i've heard anyone is good
since在这里是什么用法?

1 翻译 我认为自从我(上次)听说某人很好(距现在)已经有很长一段时间了.
2 不特殊
3since在这里是自从