The first line specifies that you want to return values for the "email" sub-element of the root "Client" element.

第一行指定要返回根元素“ Client ”的“ email ”子元素的值。

youdao

Sub-Department of the season, Iverson opened higher following a high, he was No. 1 show, in line with the performance of the top or even exceed the standards.

处子赛季，艾弗森高开高走，他是状元秀，表现符合甚至超乎状元的标准。

youdao

The line item number is reflected in the array sub-index.

行项目编号反映在阵列子索引中。

youdao

Though Walker ran for 1, 812 yards and 17 touchdowns behind a sub-mediocre offensive line, he was routinely booed.

WSJ: Remembering the Late, Great USFL

But the fact that Rooney had not been included in the starting line up soon became another sub-plot within minutes of the final whistle being blown.

FORBES: Rooney, Hernandez And Why Liverpool Fans Will Soon Be Supporting Manchester United

In May, an India-made power transmission line to Kabul and a sub-station were opened, bringing 24-hour electricity to the capital for the first time in 17 years.

BBC: India: Afghanistan's influential ally