front end

基本解释

But what about the front end?
但前端的情况又如何呢？
We do far more on the front end to avoid these problems.
而我们在从前端就致力于防止问题方面做了更多努力。
An in-memory database caching capability acts as a front end to a back-end database in these tiered solutions.
在这些分层解决方案中，有一个内存中的数据库缓存功能，作为后端数据库的前端。

"Since we know that these kinds of threats can emerge at any moment, even if it turns out that the H1N1 is relatively mild on the front end, it could come back in a more virulent form during the actual flu season,"
The easy thing to do would be the following: start at the front end of the list, check the first element. If it's the thing I'm looking for, I'm done. It's there. If not, move on to the next element. And keep doing that.
从数组的第一个元素开始：,如果这是目标元素那么结束,如果不是的话就继续比较下面的元素，并一直这么比较下去,但如果，在某一点我发现我要寻找的数字。
麻省理工公开课 - 计算机科学及编程导论课程节选
When you decide to become a front-end consumer-oriented service, you really need to be better than your competition.
当作为前端客户导向型的服务提供商时，就需要做得比竞争者更好。
斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

Of course, robochemistry slashes only those costs incurred at the front end of drug development.
FORBES: A hail of silver bullets

the part of an object, place, or animal that is furthest from the back
the first part of a process, series of events, or period of time
the parts of a computer, piece of software, or website that are seen and directly used by the user