By saying hello, friendship starts to grow, and sunshine comes to the world around us, and love spreads over the community we are in.

通过打招呼，友谊开始滋长，阳光来到我们周围的世界，爱传播到我们所在的社区。

youdao

You can then invoke the Hello World service by calling the sayHello function from anywhere in our Web application.

然后，您可以在我们的Web应用程序中的任意位置通过调用sayhello函数来调用Hello World服务。

youdao

So, getting ZK, including running the hello world application, should be simple.

因此，获取ZK(包括运行hello world应用程序)应该非常简单。

youdao

So we looked at a number of fairly small programs that at the end of the day did very little more than print hello world and the like.

这堂课最后,如果我们只是看几个小程序，根本没啥用,还不如hello，world程序呢。

哈佛公开课 - 计算机科学课程节选

It's sort of the canonical hello world program as computer scientists call this very simple example.

这只是某种“hello，world“程序,即计算机界最简单的程序样例。

哈佛公开课 - 计算机科学课程节选

But as we travel deeper into this new world of constant connectedness and ever-present technology, I wonder whether we are saying hello to the world or goodbye to society.

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