A directed rooted tree refers to a directed tree which has one vertex with out-degree 0 and all the other vertices with out-degree 1.
有向根树就是只有一个顶点的出度为0，其余顶点的出度均为1的有向树。
If the intellectual worth of a college degree can be accurately measured, more people will seek higher education—and come out better thinkers.
如果大学学位的智力价值能够被准确地衡量，那么更多的人将会追求更高的教育，并且成为更好的思考者。
She started a degree but dropped out after only a year.
她在攻读学位仅一年后就退学了。
Since students and parents expect a college degree to lead to a job, it is in the best interest of a school to turn out graduates who are as qualified as possible—or at least appear to be.
由于学生和家长都希望大学文凭能让他们找到工作，因此培养出尽可能合格或至少看起来合格的毕业生是学校的最佳利益所在。
As a result, one out of every fifteen of Intel's Oregon employees has a degree from Portland State.
因此，英特尔在俄勒冈州的雇员里，每十五个中就有一个拥有波特兰州立大学学位。
VACCINATING people against swine flu may be a lot easier than anyone dared hope, as it turns out that people have an unexpected degree of immunity to the pandemic now sweeping the world.
人们接种疫苗抵抗猪流感比任何人挑战希望容易得多，根据目前情况，人们对现在席卷全球的大流行有意想不到的一定程度的免疫性。
I really got out of shape while working on the TV show; it was impossible to try and exercise to the degree I need to.
我确实在演电视剧期间身材走形了；那时我不可能按照我需要的程度努力和锻炼。
America needs fewer and clearer laws, so that citizens do not need a law degree to stay out of jail.
美国需要简洁明了的法律，这样市民就不必要有个法律学位才能免于牢狱之灾。
Android proponents are big on pointing out the degree to which the user can customize the OS.
安卓因为可以再很大程度上实现定制化系统操作而拥有了大批支持者。
The camera zooms out ten meters. It then zooms out again, but the degree of the zoom has increased by a power of ten; the camera is now 100 meters away.
相机镜头拉出十米，镜头再不断拉出，焦距度数已提高到10倍，相机现在是100米以外。
A business can and does pay for things, but so can employees (as any employee who has paid out of his own pocket to get a college degree can attest).
一门生意的确能够具有支付能力，但是员工也能支付(就像任何自掏腰包获得大学学位的员工便能证明这一点)。
But it's important to point out that those people with a bachelor's degree are likely to earn more — if not rise to the richest 1% — than those without one.
但有一点很重要，必须指出，拥有学士学位的人相比那些没有学位的人可能会挣得更多一些(即便不能跻身最富有的1%人群)。
You can accomplish almost anything by typing things out, and command-line tools will often provide an unprecedented degree of control over how they can be run.
可以通过输入内容实现几乎所有功能，而且命令行工具对于它们的运行方式通常能够提供极好的控制。
Then they found out I had no graduate-level degree.
之后，他们发现我没有研究生学位。
However, over recent years there has been an increase in 21-23 year olds taking a year out after completing their degree.
不过，近几年越来越多21到23岁、已经获得学位的年轻人也开始给自己一个空档年。
When word got out that the invitation did not include an honorary degree, Obama did not complain.
当消息传来说这份邀请不会包括荣誉学位，奥巴马没有抱怨。
Now that she’s out of school, with a degree in psychology, she’s picking up right where she left off.
现在她毕业了，拥有心理学学位，她要从上次停下来的地方开始。
Check out these five smart online degree options.
来看看下列五个抢手的在线学位。
In the summer, the tarmac could get well over 150 degrees F. Standing out there with leather-soled shoes could give you second-degree burns!
一个夏天，柏油路可能都有华氏150度了，站在那里，穿一双皮革底的鞋足以让你弄个二度烧伤！
When you're used to working out at room temperature, it's easy to forget the toll that 80 - or 90-degree days can exact.
当你习惯了在室温下锻炼，很容易忘记华氏80度或者是90度的日子需要多大的代价。
There was some degree of co-ordination, with several of the gang shouting out directions for the others to follow.
团伙中少数人大声指挥着其他人行动，显示存在某种程度的协作。
There was some degree of co-ordination, with several of the gang shouting out directions for the others to follow.
团伙中少数人大声指挥着其他人行动，显示存在某种程度的协作。
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