求翻译：在美国，宴请宾客的邀请方式通常有两种：邀请卡形式和电话邀请形式。但不论受邀方式如何，也不论是否应邀参加，在接到邀请后，最好能够给予回覆，以便主人能够掌握客人人数。有时，邀请卡上会注明R.S.V.P. ，即是指请回覆（Please Reply）此时无论参见与否，均应寄上回帖或电话通知；但如果邀请卡上注有Regrets Only，即表示如果不参加，就需回覆告知邀请人，参加则无需回覆。是什么意思？

In the United States, entertained the guests invited in two ways: invitation card form and the form of telephone invitation. Invited to the way whether or not invited to participate after receiving the invitation, it is best to give reply, so that the owner be able to master a number of guests. Some

In the United States, invited guests there are typically two ways: an invitation card forms and telephone invitation form. But no matter how you have been invited to, whether it was invited to participate in the invitation, it is best to be able to give a reply to his master, number of guests to be

In the United States, invited dinner guests usually have two kinds: invitation cards and telephone invitation forms. But no matter what was invited to, regardless of whether they were invited to attend, after receiving the invitation, it would be useful to give answers, so that the owner can master