Engineering is important, but user experience design is more important, and usually more difficult.
技术是很重要的，但用户体验更为重要，通常也更难做好。
Smaller programs will use either the system tree or the user tree, but not both.
小型程序会使用系统树或者用户树，但是不会同时使用这两者。
But the key here is to know your user.
但是关键问题是必须要了解您的用户。
But it can be hidden from the user.
但是对于用户来说我们可以把它藏起来。
But the user has already spent time entering data in the form!
但用户已经花费了很多时间在表单中输入数据！
But the most important point: always think about the user.
但是最重要的一点在于：总是考虑用户。
It is simple but slow, especially when the user interface and logic are complicated.
这是简单的，但却是缓慢的，尤其在用户界面和逻辑复杂时。
But the user must understand that disconnected objects are kept in memory.
但是用户必须理解，断开连接的对象是保存在内存中。
But including user interface logic in a use case is generally considered bad form.
但是在用例中包括用户接口逻辑通常被认为是不好的形式。
但是你的用户是很忙的。
But I will give you a hint: Think more carefully about the user session data.
但我会给你们个提示：仔细思考一下用户会话数据。
Go into detail, but don't describe how the user might use a computer program.
应详细说明，但不要描述用户如何使用计算机程序。
The cost of single user license is $589 but there are other discounts also.
单个用户授权589美元，但是会有一些其他的折扣。
But the site works just fine for the casual user too.
该网站也同样适用于个人用户和临时用户。
But you don't use your user name and password in FriendFeed.
但是，在FriendFeed中并不使用用户名和密码。
Repeat the three previous steps, but enter nt AUTHORITY \ SYSTEM as the user.
重复前三个步骤，但输入NTAUTHORITY \SYSTEM作为用户。
Not only are you given instructions but there's a user list mentioned to help.
这里不仅为您提供了指导，还有一个用户列表可以帮到您。
The service user lives alone in her home but has a small dog for company.
该服务用户独自生活在她的家中，但有一个小狗陪伴。
But you might want to give each user their own private folder on the server.
不过，你可以给每个用户在服务器上拥有自已的私人文件夹。
But creating the user experience can seem overwhelmingly complex.
但是创建用户体验看上去是出乎意料地复杂。
But a malicious user could change the id via firebug or some other tool.
但是，恶意用户可以通过浏览器或其他工具更改id。
The user can read and delete his data, but writing is not possible.
用户可以读取和删除其数据，但写作是不可能的。
Our goal is not to become a device center, but to become a user center.
我们的目标不是成为设备中心，而是要成为用户中心。
But registered a jump to a new user page.
而是跳转到新注册一个用户的页面。
The keystrokes may be the same, but the experience for the user was quite different.
按键输入可能相同，但使用者的经验是完全不同。
The keystrokes may be the same, but the experience for the user was quite different.
按键输入可能相同，但使用者的经验是完全不同。
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