英语翻译这是什么从句?those的成分?be with the expectation of?

请问those of people 的those是什么词性?those of是做什么成分? 英语翻译Gift-giving involves the expectation of reciprocity,but 英语翻译 of great interest to those concerned with the environme Expectation is the root of heartach.的翻译 帮我分析一下这是什么从句,OF WHICH在从句中是什么成分The problem is an unexpected o sb.be sure that+从句中,从句是什么性质的从句?修饰主句中的那个成分? that meets the expectation of the society 英语翻译Users’ expectation of the final product of an audit is t beyond the reach of those with average Expectation is the root of all heartache. Expectation is the root of all heartache 英语翻译expectation