Don't rely on your opinion of what you think they need; do user research to actually find out.
别按你自己的想象认为他们需要什么；做些用户研究去确切地发现他们所需。
We need help: According to research firm The Radicati Group, a typical corporate user sends and receives about 110 messages every day, while nearly 294 billion emails are sent every day.
我们需要帮助：据技术研究公司The Radicati Group的调查，一位典型的办公室用户每天要收发将近110封邮件，而每日被发送的邮件有2940亿封。
The need to continue research to find a user-controlled means of preventing HIV infection in women is urgent.
迫切需要继续开展研究，找到由使用者控制的预防妇女艾滋病毒感染的一种手段。
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