Age is an integer, and must be non-negative.

年龄是整数，并且必须是非负数。

youdao

This means that it is the responsibility of the calling function to ensure that only non-negative arguments are passed.

这意味着调用函数的职责是确保只传递非负参数。

youdao

In Listing 1, there are two possible implementations of a setter for a property that can only take on non-negative values.

在清单1中，有两个可能的用于特性的setter的实现，该特性只能接受非负数值。

youdao

The key work variable is zero-sum vs. non-zero sum (both negative-sum and positive-sum).

FORBES: The Fundamental 2x2 of Capitalism

Despite their importance, financial measures should be complemented with non-financial metrics (which often indicate positive and negative trends earlier than the bottom line) to present a more complete picture of the organization.

FORBES: 5 Easy Steps to Jump-Start Your Business

Joerg Kraemer, chief economist at Commerzbank -- Germany's second-largest bank -- would expect the ECB to cut the deposit rate to negative territory before putting in place any other non-standard measures such as a loan scheme for small businesses.

CNN: Euro recession deepens: So what can the ECB do now?