Please help Kitty write an invitation to her parents.

请帮助基蒂给他的父母写一封邀请信。

youdao

Make a plan for the day and write an invitation letter to your classmates.

为这一天订个计划并且给你的同学写封邀请信。

youdao

However in some occasions such as inviting somebody else to participate my birthday party, I'll write an invitation letter, since it is more formal way to inform.

然而，在一些非常正式的场合，比如：邀请别人参加我的生日会，我也会写要邀请信。毕竟这是一种更为正式的方式。

youdao

She ended with an invitation to the audience and all publishing industry people to come write for free on her book chat site.

FORBES: Book, Everybody Wants To Be Friends With You

Both Scotland and Northern Ireland maintained relatively high MMR uptake but NHS boards in Scotland are to write to parents of all unvaccinated or partially vaccinated children aged 10 to 17 with an invitation to attend for vaccination over the next few weeks.

BBC: Measles vaccination plan in England targets 1m children