There is no such test for the message field because it's the core of a flit.

对于message字段则没有这样的测试，因为它是一个flit的核心。

youdao

Enter a string, such as hello, in the message field; the message is then published under the topic Greetings.

在消息域中输入一个字符串，如hello，然后该消息将在主题Greetings之下进行发布。

youdao

We do want to specify a Message for it, however, so we click on the plus sign to the right of the Message field.

但我们确实希望为其指定一条Message，因此单击Message字段右侧的加号。

youdao

the message of the positive psychology movement is to remind our field that it has been deformed.

积极心理学运动提醒我们,这个领域已与过去不同。

哈佛公开课 - 幸福课课程节选

We will have slower results if the message we deliver on the soccer field is not reinforced at home.

WHITEHOUSE: Goals for a Better Life

The Vice President will be carrying the message that we need to continue to work to level the playing field for American workers and American businesses.

WHITEHOUSE: Via Telephone

The clear message about technologies was that they can be used as a level playing field and as new distribution channels.

BBC: The X-Prize founder is turning his attention to education