用户花费 meaning in English
user effort
Examples
- Users spend relatively long periods of time in each application and become familiar with its features and design
用户花费相对长的时间在每个应用程序之内，从而对这些程序的特性和设计变得熟悉。 - But many illegal junk mails are sent through the internet such as selling ads , collecting funds ; these junk mails not only occupy the capacities of mail server , but also waste the energies and time of users to manage them
但是，许多销售广告、快速致富等垃圾邮件也在网络中传送，这些垃圾邮件不仅占据邮件服务器的大量存储空间，同时也需要用户花费大量的时间和精力来处理这些垃圾邮件。