改错题求帮助
问题描述：
改错题求帮助
这是个改错题,
句子如下,句中有一个错误：
His success resulted in part of his ability to sell the product and in part from his policy of expanding during periods of economic decline.
答
in 改为 from .
result in 后面接的是结果,result from 后面接的是原因