求dated from ,dated back to ,be traced to 的区别,
问题描述：
求dated from ,dated back to ,be traced to 的区别,
答
1.date from =date back to 追溯到 常用一般现在时,没有被动语态,用其现在分词作定语.trace 也可以当不及物动词 意思是回溯；追溯 ,The friendly relationship between the two countries traces back to/dates back...