The system is always aware of the current date and time, so it's a trivial thing for the computer to subtract a birth date from the current date to get an age value.

系统通常只意识到当前的日期和时间，所以让计算机从当前日期中提取出出生日期来获得年龄值是一件微不足道的事。

youdao

What I really need is a Person that holds its birth date and answers its age as of today.

我真正所需要的是， Person 拥有其生日，并能回答其当前的年龄。

youdao

When you have entered your first name and birth date, the page simply says "Hello" and tells you your age as of today.

当您输入您的名和生日时，该页面将说 “Hello” 并告知您今天您的年龄。

youdao

Or one that asked for your date of birth in one place and your age in another, and then required you to sign your name over and over again (and also print it out each time)?

FORBES: Does Complexity Kill Your Customers' Confidence?

Contact Point is a vast database that holds the details of everyone under the age of eighteen in England, their name, address, gender, date of birth, school and health provider.

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