我买了一枚戒指，留作对希腊的纪念。
她把那些信留作纪念。
许多父母在将钱留作大学学费时，然而有些则在进行另一项巨大开支：为他们十几岁的孩子们买车。
While many parents are putting money aside for college tuition, some are taking on another big expense: buying cars for their teenagers.
它们应该留作紧急通讯之用。
农场主把这块大田留作牧场。
教师留作业是为了让学生学到什么？
What is the teacher’s learning objective for the assignments?
内部器官经检验清洁留作后用。
The internal organs are inspected and cleaned for further use.
WSDL文件的完整细节将留作练习。
留作业的目的是什么？
其次，你想到你的老师，他们是给你留作业的人。
Next, you think of your teachers. They are the ones who give you homework.
他将这些鹿角煮干净之后并把它们留作了纪念品。
如何将该信息写入到数据库表中，留作读者的练习。
Writing that information into a database table is an exercise for the reader.
发现并常备笑话，把生活中有趣的事情记下来留作应急之用。
Make laughter last. Write down the amusing things that happen and save them for a sad day.
如果真的是那样，我要储藏我最喜欢的衣服，留作未来之用。
If that's true, I'm going to garner my favorite clothes and save them for the future.
如果你确实不需要的话，就将这笔钱节约起来留作转行所用吧。
If you honestly don't, then put the money away for your career change.
不看该核心契约，很难做出评论，因此我们将其留作以后讨论。
Without seeing the core contracts, it is difficult to comment, so we'll save that for a future review.
奥运会门票共有700多万张，其中75%左右留作国内发售。
In total, more than seven million tickets are available for the Olympic Games, with about 75% having been reserved for domestic sale.
但是保留作家的作品集正的能够提供一个更为丰富的文化收益么？
But does retaining writers' collections really offer a broader cultural benefit?
由于这个原因，我将这段代码留作练习，而没有在本文中包括进来。
For that reason, I'll leave code like this as an exercise rather than include it in this article.
我认为，一些散钱会进入到股市，更多的则会继续保留作为价值收益。
My hunch is that while some of the ultrawealthy will move into stocks, many more will continue to value preservation over returns.
然后，第二轮访问扫除未标记的对象，将未使用的闲置内存留作新分配之用。
A second pass then sweeps away the unmarked objects, leaving behind free memory than can be used for new allocations.
飞行员拿了一把他留作此用的锤子砸碎了座舱内仪表盘、无线电和其他机密设备。
The pilot armed with a hammer that he kept for such situations smashed the instrument panel the radio and the other classified fixtures inside the cockpit.
permit使用显式或隐式主题的两个重载形式留作环境特定实现的空白存根。
The two overloaded forms of permit that use an explicit or implied subject are left as blank stubs for environment-specific implementations.
在本例中，我将向您展示如何根据标题进行排序，并将根据艺术家进行排序留作练习。
In this example, I'll show you how to sort by title, leaving sorting by artist as a learning exercise.
但如果子女没上大学而是去混社会，那么父母可以把这保留这部分资金留作退休金使用。
But if Junior skips college for a life as a globe-trotting troubadour, the parent can keep the money and put it toward retirement.
一个相当基础的电路(留作练习，不过并不难)处理控制电压并输出与电压成比例的恒流。
A fairly basic circuit (left as an exercise, but it's not difficult) can take the control voltage and output a constant current which is proportional to the voltage.
一个相当基础的电路(留作练习，不过并不难)处理控制电压并输出与电压成比例的恒流。
A fairly basic circuit (left as an exercise, but it's not difficult) can take the control voltage and output a constant current which is proportional to the voltage.
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