Dear (name of friend):
亲爱的（名字的朋友）：
I am having a birthday party this saturday and would like to invite you to come along.I am turning eighteen,which is a big turning point in my life and would want all my friends and family to be there to share this special moment.It would be a casual barbecue at a park near my house and I will send you the exact address closer to the date.Please contact me as soon as possible to inform me of your attendance.
我这个星期六有一个生日聚会,想请你来.我十八岁,这是我人生的一大转折点,希望我所有的朋友和家人来分享这一特殊时刻.它会在我家附近的公园休闲烧烤,我会送你的确切地址接近的日期.请尽快联系我,告诉我你的出席.
RSVP:before friday
下星期五之前
Contact details:00000000000
详细联系方式：00000000000