第二行打印出了book的值 --ProgrammingScala。

The second line prints the value of book, which is “Programming Scala”.

youdao

使用某种格式打印每个行以显示联系人细节。

Print each row with some formatting to display the contact details.

youdao

我再次指明，打印参数的新行。

I'm again, saying print argument's new line.

youdao

在接下来的一行，我们创建一个表达式并把它打印出来。

On the next line, we are creating an expression and printing it out.

youdao

将打印除了包含字符串spider之外的所有行。

Prints every line except those that contain the string spider.

youdao

最后，在输出书写器上打印hello World，如第31行代码所示。

Finally, print Hello World on the output writer, as shown in line 31.

youdao

要确认结果，请打印出job表中的所有行，如下。

To verify the result, print out all rows in the JOB table, like this.

youdao

要确认结果，请打印出job表中的所有行，如下。

To verify the result, print out all rows in the JOB table, like this.

youdao