on business和 in business的区别为:意思不同、侧重不同、用法不同。
一、意思不同
1、on business:on business的意思为为了公事,出差。
2、in business:in business的意思为经商在经营在商界。
二、侧重不同
1、on business:on business侧重于行为。
2、in business:in business侧重于立场。
三、用法不同
1、on business:I presume you're here on business. 我想你是来这儿出差的吧。
2、in business:In business, it's every man for himself. 生意场上都是人各为己。