标题: OG SC关于比较的提问 [打印本页] 作者: SuJaejoong 时间: 2017-8-29 21:32 标题: OG SC关于比较的提问 SC的比较省略我已经看过了，但是对下面这类句子有点疑问
Digging in sediments in northern China, scientists have gathered evidence suggesting that complex life-forms emerged much earlier than previously thought.
