It's important to note that not all of the properties in the item class will necessarily exist on every Content object in that class, and that is acceptable.

一定要注意，条目类中的所有属性不一定在这个类中的每个 Content 对象上都存在，这是可以接受的。

youdao

The results show that:(1)the item characteristics of the scale are acceptable;

统计分析结果表明：（1）大学生专业能力问卷的项目特性良好；

youdao

The inquiry of any EMS item is acceptable within 4 months after the date of Posting; please take the third copy of this bill or the receipt to make the inquiry procedure at the mailing office.

本单第三联是交寄邮件的凭证，凭此联或收据可在自交寄邮件之日起四个月内在交寄邮局办理查询、逾期不再受理。

youdao

The primary characteristic of money is that it is the item mutually acceptable as a means of payment.

FORBES: Returning To The Basics: What Is Money?