it is my pleasure用法

另it'a pleasure: - Thanks for your help. - It's a pleasure (没有关系) it' my pleasure A: Thank you for your advice. B: it' my pleasure / It's a pleasure (没有关系) a pleasure------- It is a pleasure to talk with you ----和你交谈是种乐趣 my pleasure： - Thanks. -My pleasure / it' my pleasure / It's a pleasure (没有关系) with pleasure -----很乐意,很情愿 ------- -Can you do it for me ? -With pleasure. with my pleasure (英语中应该没有这种表达)