trade sth with sth与trade sth for sth的区别,保证

trade sth with sth与trade sth for sth的区别,保证 trade A for sth combine sth.and sth.与combine sth.with sth.的区别 Thanks for sth.与Thanks for doing sth.的区别? continue doing sth.与continue with sth.的区别 prepare sth,prepare for sth的区别 check for sth 与check sth区别,prepear for sth与prepear for sth区别 lack sth 与lack for sth 的区别 search for sth.与search on sth.的区别 help sb with sth,help sb for doing sth和help sb do sth 的区别? He drove a good trade in sth. feel sb./sth.+do sth.与doing sth.的区别