新教育政策的主导原则是容许选择。
这条船船头是圆的，船尾则是方的。
The boat is rounded at the front but squared off at the back.
这项规则是为此特意推行的。
这些规则是不会突然改变的。
打好网球的重要原则是眼要紧盯着球。
功夫的首要原则是自卫。
我们可以试试看—但行不行则是另一回事。
汉森的黄金法则是让其购买的任何企业增值。
Hanson's golden rule is to add value to whatever business he buys.
一组采用新药治疗，而对照检验组服用的则是糖丸。
One group was treated with the new drug, and the control group was given a sugar pill.
一条重要的原则是在任何一次飞行中都要喝大量的水。
An important rule is to drink plenty of water during any flight.
每幅画在一页上是彩色的，在相对的一页上则是清晰刚劲的轮廓。
Each picture is shown in colour on one page and as a bold outline on the opposite page.
我知道他们住在哪一地区，但能不能找到他们的住宅则是另外一回事了。
I know which area they live in, but whether I can find their house is a different matter.
现在，主叫方在高峰时段支付33美分话费；而非高峰时段则是30美分。
Callers now pay 33 cents during peak hours and 30 cents during off-peak hours.
一个很好的经验法则是，雇主要获取利润的话，其中间人必须创造10倍于自己薪水的销售额。
A good rule of thumb is that a broker must generate sales of ten times his salary if his employer is to make a profit.
没有一条规则是关于公主的长相的。
有些是人为的，有些则是自然发生的。
闰年是生活困苦的象征，而闰日则是不幸的代表。
Leap years were believed to be difficult, and leap days were unlucky.
另一条规则是禁止游客在公共场所进食。
夏天它是棕色的，冬天则是白色的，这样它就可以藏在雪里。
During summer it is a brown color, and in winter it is white so that it can hide in the snow.
一些学生可能认为这些规则是老师控制他们的一种方式。
Some students may see the rules as a way which teachers control them.
学习英语最重要的准则是：“不要害怕犯错误。每个人都会犯错。”
The most important rule for learning English is "Don't be afraid of making mistakes. Everyone makes mistakes."
尽管父母和老师都很严格，但我知道他们制定规则是为了帮助我们。
Parents and teachers are strict, but I know they make rules to help us.
但停车罚款则是另一回事了。
这些技能则是执行功能所包含的能力。
These skills are subsets of an ability called executive function.
英国教育的基本原则是培养健全人格。
The cardinal principle of British education is education of the whole person.
第三条规则是准备好列举选项和结果。
The third rule is to be ready to cite options and consequences.
其他的则是更大的结构。
而北非则是我们的近邻。
一些人是夜猫子，一些人则是早起的鸟儿。
其中一些主要说外语，另一些则是英语母语者。
Some were foreign-language dominant and others were English natives.
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