Now, the Trillian blog is announcing that Astra has gone public - no invite code needed.

如今Trillian博客宣布Astra进入公测阶段——不再需要邀请码了。

youdao

At the moment, all accounts are free with an invite code, and future accounts will always be available free of charge to any user.

现在，所有账户都可以通过邀请码“rww ”免费使用。

youdao

Product Usage - Email a customer who regularly USES your product and invite them to promote your product on social media by tweeting about their experience or offer a promo code to refer a friend.

产品用途：向经常使用公司产品的用户发送电子邮件，邀请他们在社交媒体上推广公司产品，发表他们对产品的体验，并可向好友发送优惠码。

youdao

Nextdoor verifies each person's address by using one of four methods: credit- or debit-card number, landline phone number, mobile-phone number or by mailing a postcard that includes an invite code.

WSJ: Nextdoor Review: Social Network Brings Neighbors Together

Councillor Mike O'Brien, community safety spokesman, said the authority would be writing to all licensed gaming premises to invite them to meet the council and help to set up the code.

BBC: Betting machine