Protocol buffers supports optional, required and repeated fields. An example of an address book message definition using protocol buffers would look like this.

Protocol buffers支持可选的，必需的和重复的字段。

youdao

"The Power of Pull" is a book with a serious message.

《轻拉一把亦有力量》书中带有一系列的信息。

youdao

Or possibly it fires more than one response message to the client as we see in the book ordering process, where one message confirms the order, another message indicates dispatch of the order.

或者它可能会给客户端发回多个响应消息，正如你在订书过程中看到的，其中一个消息确认订单，另一个消息指明订单的派发。

youdao

They misunderstood the message of the book.

VOA: special.2010.03.14

This feature lets you call a contact directly from your Phone book or message inbox just by raising the phone to your ear.

ENGADGET: 5.3-inch Spice Stellar Pinnacle Mi-530 hits India with a piquant 5MP front-facing camera

Charlayne recently spoke with NPR's Farai Chideya about the book and its message of hope and progress.

NPR: Gault Book Details 'Africa's Renaissance'

"With the exception of ultra-liberal circles, very few people actually liked the book or its message, " he explained.

BBC: Europe