A value is required for live mode.

实时模式需要一个值。

youdao

The call to emit is required, and its second parameter is a value.

对emit的调用是必需的，且其第二个参数是一个值。

youdao

However, you should not remove an input field when the field is required or should be set to a default value because the field is required.

但是，当某个输入字段是必需的，或者由于该字段是必需的而应该设置为缺省值时，您不应该删除该字段。

youdao

If the marginal value that a customer receives for increased reliability is less than the marginal cost required to increase reliability for that customer, then a systemwide relocation of lines would likely lead to wasted resources.

WSJ: Should Utilities Be Required to Bury Power Lines to Protect Them?

And a typical line from the instruction that is given to federal courts -- federal juries all across the land: The law makes absolutely no distinction between the weight or value to be given either to direct or circumstantial evidence, nor is a greater degree of certainty required of circumstantial evidence than of direct evidence.

CNN