by invitation only

常见例句

Participation at the Annual Meeting is by invitation only.
参与的年度会议上是只能通过邀请。
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Any work over sixty minutes will be showcased by invitation only.
任何超过60分钟的作品只有邀请才能被展示。
Their destination, to meet the King and Queen of the forest was by invitation only.
他们的目的地，迎接国王和王后的森林获得邀请。

Participation in the OnStar Family Link pilot is by invitation only and will include approximately 10, 000 active U.S. OnStar subscribers.
ENGADGET: OnStar Family Link brings loved ones closer together through vehicle tracking
Access to the private beta is available by invitation only at www.mspot.com.
ENGADGET: mSpot stores your music* in the cloud, makes it available anywhere**
Some of the programs have an almost mystical allure, mainly because they are by invitation only and thus closed off to the hoi polloi.
FORBES: Magazine Article