TRIP CLASS的意思|示意

Notice that Trip doesn't extend a parent class or implement a magic interface.

注意，Trip并没有扩展某个父类或者实现某个接口。

Last week one of my kids told me that my friend's youngest son missed out on a ski trip with the rest of his class because of the expense, even though the cost was minimal (to those of us with jobs).

上周，我听孩子告诉我说，这位朋友最小的儿子因为怕花钱，没跟全班同学一起去滑雪，虽然滑雪的费用对于还有工作的人来说并不算多。

In my science class, I discuss how global warming relates to the research trip I recently attended in Alaska with my teacher.

在科学课上，我和老师讨论全球变暖和我最近参加的阿拉斯加研究之旅的联系。

So only a small crowd, say, a grade school class taking a field-trip to the park, would have to gather around that bench before it became more likely than not that two people shared a birthday.

所以当一小群人——比方说在公园游玩的小学的一个班——聚集在长椅周围时，很可能就有两个人生日相同。

Other times, a trip might involve more than one city by design: "I'm flying out to Boston to teach a class Monday through Friday."

有时候一次旅行涉及到多个城市：“我正飞往波士顿，星期一到星期五我要在那里教课。”

Type grails generate-all Trip to build out a grails-app/controllers/TripController.groovy class and a matching set of Groovy Server Pages (GSPs) in grails-app/views/Trip.

输入 grails generate-all Trip，以构建一个 grails-app/controllers/TripController.groovy 类，并在 grails-app/views/Trip 中生成一组匹配的 Groovy Server Page（GSP）。