If you make that change on its own, it will fail to compile; the three combinators know how to take in Strings but not how to produce Expr objects from what's parsed.
如果让它自行更改，编译将会失败；这三个组合子知道如何获取String，但不知道如何根据解析的内容生成Expr对象。
If you find yourself worrying about bad news, a scary rumor, or a stressful deadline, take three minutes to write down how you're feeling.
如果你总是担心一些坏事，比如可怕的传言，让人紧张的截止日期，那么不妨花三分钟的时间将自己的感受写下来。
Here is my take on top three reasons why you need to invest in data - sharing tools and how it can be related to PLM strategy in your company.
以下是我认为数据共享工具值得投入的三大理由，以及如何与你所在公司的PLM战略联系起来。
For example, according to this tutorial on how to do a quick weave, they can take up to three hours to attach… that doesn’t sound so “quick” to me.
例如，即使根据快速的熨烫假发的教程，最多可能需要3个小时的处理假发...这听起来并不那么“快”。
This month, we'll take a look at these three underused classes, plus the Currency class, to see just how worldly J2SE 1.4 has become.
在本月的讨论中，我们将研究一下这三个未得到充分利用的类以及 Currency类，看看 J2SE 1.4已经变得有多么的全球化。
While your activity level and climate will affect how often you'll want shower, you can probably skip the daily shower and take one every two to three days.
尽管你的活动量和气候会影响你想洗澡的频率，你可能不需要每天都洗，每两天或每三天一次就好。
Take three examples include meter management model, meter fixing model, counter charge to show how to realize the function of the system.
最后功能的实现则以系统中的表务管理模块、柜台收费模块和水表报装模块为例来说明。
When a new coach to take over Ewing, who is to do at each Sunday victory did not draw a say, no matter how had to get three points.
当一个新帅接手尤文，他要做的就是在每个星期天取得胜利，没有平局一说，不论如何都得取得三分。
How many stats will a Hero unit be able to take? Three like in Warcraft 3 or is there even a limit?
英雄单位有多少种状态数据？是魔兽3一样3项基本数据吗？这个设计有数量的限制吗？
"I don't know how long it's going to take to heal," said Zeng Defang, 46, touching a leg wrapped in a bloodstained bandage and swollen to three times its normal size.
“不知道要多久才能好，”46岁的曾defang摸着缠在腿上血迹斑斑的绷带说，这条腿肿得有平时三倍大。
"I don't know how long it's going to take to heal," said Zeng Defang, 46, touching a leg wrapped in a bloodstained bandage and swollen to three times its normal size.
“不知道要多久才能好，”46岁的曾defang摸着缠在腿上血迹斑斑的绷带说，这条腿肿得有平时三倍大。
应用推荐