As you can see in Listing 12, I need to code more than one check for blank values.

如清单12所示，我需要执行多次检查来确定是否存在空值。

youdao

One check was verification licensing of the software we were using and had used to build StudioNow.

其中一项检查是验证我们正在使用的和曾用来构建StudioNow的软件的许可协议。

youdao

One check was verification licensing of the software we were using and had used to build StudioNow.

其中一项检查是验证我们正在使用的和曾用来构建StudioNow的软件的许可协议。

youdao