这就是本例在通讯中使用关键词ref来表达对引用元素映射应该已经存在而无须再建立一个映射的含义。
That is why this example USES the ref keyword in the correspondence, to express that a mapping should already exist for the referenced element and there is no need to create another one.
终极测试：一旦你让你的列表达到了你认为最小的程度的时候，试着再重新浏览一遍这个列表问问自己：“这个列表是绝对必要的吗？”
The final test. Once you've gotten your feeds list down to what you feel is minimal, go through each feed on your list once more, and ask yourself, "is this feed absolutely essential?"
表达一下对面试官付出宝贵时间的感激，顺便表达一下你对应聘工作的兴趣，再提一些面试时所收获到的好的见解。
Thank the interviewer for his time and express your interest in the job. Mention a couple of positive points that you remember from the interview.
不需要多么漂亮的语句表达，免得再编辑你的文本。
Do not try to formulate it nicely or otherwise edit your text.
所有括号内的子表达式都求值完毕后，表达式的其它部分再求值。
When all parenthetical subexpressions have been evaluated, the rest of the expression is evaluated.
查询的执行次序和途径并非强制指定的，相反，它可以对表达树进行分析，以发现你所期望的结果，然后再决定如何处理；
Instead, it can analyze the expression tree, discover what you want done, and then decide how to do it.
人们也许会生气，或者伤心，但也知道就算自己当时的情况再坏，也需要表达对你的感激之情。
People would still get angry, or sad, but would know to find ways to be grateful, even in difficult situations.
去表达别人细心和不倦帮助的欣赏吧，再怎么多也不过分。
It never hurts to point out how much you appreciate the small services and tasks that someone unfailingly performs.
而约伯问了一个再正常不过的问题，问题只是一个词，但是却能完全能表达他的疑惑。
Then Job asked a reasonable question; one word that might it all worthwhile.
要在SquirrelShell中使用正则表达式，需要先定义正则表达式，对其进行编译，进行比较，然后再迭代结果(如果有的话)。
To use a regular expression in Squirrel Shell, you define the regular expression, compile it, make a comparison, then iterate over the results, if any.
XPath表达式中的这些重复内容非常单调 —您必须一再重复它们。
Those repetitions in XPath expression are tedious—you have to repeat them again and again.
然后我们将介绍一些快速的XQuery表达式，让您对XQuery能够做什么形成一种认识，最后我们将再转到屏幕搜集的示例上。
I'll show you a few quick XQuery expressions to give you a flavor of what XQuery can do, and then move on to the screen-scraping examples.
它构造一种抽象形式的Erlang表达式，并返回一个匿名函数，让它以后再动态地求解。
It builds an Erlang expression in abstract form and returns an anonymous function which can dynamically evaluate it later.
闭包是函数字面量(unction literal)——是包含了一个递延计算的表达式，该计算可被当成值对待，在晚些时候再调用。
Closures are function literals - expressions that embody a deferred computation that can be treated as a value and invoked later.
表达式会被编译成LLVMIR，然后转换成位码(bitcode)，再变成汇编语句，最后变成机器码。
The expression is compiled into LLVM IR, then bitcode, then assembly, then machine code. True compilation.
而在实际应用中，看到左边的Bool表达式，如果，x小于y，就说“x小于y“，或者,就说，，if，X，is，greater，than，Y，say，“x大于y“，再或者，“x等于y
And with actually using those Boolean expressions on the left, if X is less than Y say, "X is less than Y" else x >y "X is greater then Y" else say, "X is equal to Y."
Lincoln向她表达了谢意，她向他微微一笑，“你可以在我把你弄出来以后再感谢我。”
She offers a smile. “You can thank me when I get you out of here.”
上面是个被动结构，但是你也可以将其改成主动：当你完成了这一步之后……同样的意思再后来又用了另外两种表达方式。
This is a passive structure, but you could also say "When you have done this..." this same idea is expressed later in two more ways.
于再清称周洋是个小孩儿，并表示，西方表达方式很好，但是小孩儿有些心里话没有表述出来。
Yu called Zhou a kid and said "while the Western way of expression_r_r_r_r is very good, there were things in her heart that the kid didn't fully express."
离别可能来得很快，超乎我们能完全向对方表达情感的速度，并且我们可能从来不知道什么时候我们再相聚。
Parting may come sooner than we can fully express our feelings towards each other, and we may never know when we will meet again.
结论血栓通能减轻脑组织的缺血再灌注损伤，改善神经功能缺失，其作用机制可能与增加HSP70表达有关。
Conclusion Xueshuantong can protect brain tissue from cerebral ischemia reperfusion injury and improve the nerve function. The mechanism may be related with the increasing of HSP70 expression.
有些时候你需要使用圆括号对子表达式分组，但是却不想这个括号里面的内容再作为标示子表达式，在这种情况下可使用非标示圆括号？
Sometimes you need to group sub-expressions with parenthesis, but don't want the parenthesis to spit out another marked sub-expression, in this case a non-marking parenthesis ?
结论缺血再灌注期间PKC发生易位激活，PK C促进了FOS和BCL -2的表达，这几个因素综合作用影响神经细胞凋亡。
Conclusion PKC took place translocation activation during cerebral ischemia reperfusion, PKC promoted the expression of FOS and BCL 2. Their complex role influenced the neuronal apoptosis.
选出一个你惯用于表达负面感觉的词，再换一个词，能中止你的旧行为模式，或至少缓解你的情绪。
Select a word you habitually use to describe your negative feelings, and come up with an alternative word that will break your pattern or at least lower your intensity.
选出一个你惯用于表达负面感觉的词，再换一个词，能中止你的旧行为模式，或至少缓解你的情绪。
Select a word you habitually use to describe your negative feelings, and come up with an alternative word that will break your pattern or at least lower your intensity.
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