You should delete all non-required control inputs and outputs from an activity.

您应当删除活动中所有的非必需控制输入和输出。

youdao

Rework the command line arguments code to enable a more logical flow of required and non-required arguments.

改写命令行参数代码，以支持必需参数和非必需参数的更为合理的逻辑流。

youdao

To make the extension required, set the value of the lower property to 1; to make it non-required, set it to 0.

要使扩展成为必须的，设置下面的属性值为 1; 要设置它为非必须的，设置值为0。

youdao

Nominations for non-permanent seats are not required, countries simply announce their intention to run.

VOA: standard.2009.10.15

The remaining games, that may or may not have to be played, are non-required games.

FORBES: Braves And Red Sox Profit From Postseason

For non-required games, however, they split 100 percent.

FORBES: Braves And Red Sox Profit From Postseason

So what can be done to ensure that organization are hiring, enticing, and rewarding those who have the non-technical skills required for the future?

FORBES: Are You Hiring for IT's Past?