Will the source records map one-for-one to the target?
源记录与目标之间是否有一对一的映射？
For Christmas my brother and I got new underwear, one toy and one book.
作为圣诞礼物，我弟弟和我得到了新内衣、一件玩具和一本书。
Mr. Gould called for a move toward "one man one vote."
古尔德先生要求向“一人一票”制迈出一步。
There can be but one room below, for there is but one chimney.
下面只能有一个房间，因为只有一个烟囱。
There would be one machine, one bulldozer for the entire area.
整个地区将会有一台机器，一台推土机。
Students are shouting for help one by one!
学生们一个个大声地求助！
On the one hand, a house will be too big for just one person, so maybe I should rent an apartment.
一方面，一个人住一个房子会太大了，所以我或许应该租一间公寓来住。
Once every class has at least one test, write one test for every method.
当每个类都有了至少一个测试，再为每一个方法编写一个测试。
I only regret that I have but one life to lose for but one country.
我仅有的遗憾是我仅有一次生命用来献给仅有一个国家。
Once every package has at least one test, write one test for every class.
当每个程序包都有了至少一个测试，再为每一个类编写一个测试。
If you have more than one computer, save one for work only, and use another for fun stuff.
如果你有不只一台电脑，就让一台专门处理工作事务，另一台专供娱乐所用。
一袋给爸爸，一袋给我。
"This organization," says David, "is about one thing: being there for one another."
大卫说，“这个组织只有一件事：为了彼此，我们聚到那里。”
Plan on having at least one property and one action for each unique type.
进行规划，对每个惟一的类型至少提供一个属性和一个操作。
What constitutes the right balance for one project may be different for the next one.
在一个项目中正确的权衡并不能代表在下一个项目中也是如此。
If you struggle with this practice, assume you have one developer available for one day.
如果这种做法对你有点困难，那就假设某天你只有一名开发人员。
We offer memberships for one month, half a year and one year.
我们提供一个月，半年和一年的会员卡。
Its parameters are callback functions: one for success, and one for failure.
它的参数是回调函数：一个用于成功，一个用于失败。
He didn't ask for one week, one month, or the rest of his life.
他没有要求一个星期的面包，一个月的，或者是他的余生的面包。
You can see that two paths exist: one for the data and one for control.
您可看到存在两个路径：一个用于数据，另一个用于控制。
They are not restricted to working for one boss or one department.
这些雇员并没有被限制只为一个老板或一个部门工作。
If a club is empty for one week, no one will come back the next.
如果一家俱乐部空闲一个星期，下个星期就没有人来了。
What is the right balance for one project may be different for the next one.
对一个项目最恰当的平衡可能对下一个是不同的。
There are two physical networks: one for compute traffic and one for storage.
有两个物理网络：一个用于计算通信量，一个用于存储。
One goal: Stick to this one goal for at least a month.
一个目标：你要坚持一个目标至少一个月。
Trust me. One battery for motors, and one for circuits.
相信我一组电池给电动机供电，另一组给电路供电。
One solution for that is to use a one-time password (OTP) system.
这种情况的解决方案就是使用一次性密码(otp)系统。
For one thing, the code is in one big quoted string.
一方面，该代码是在一个大引证字符串中。
We have time for one more question. Maybe the one in the back.
还有一个问题的时间，请最后一排的同学提问。
We have time for one more question. Maybe the one in the back.
还有一个问题的时间，请最后一排的同学提问。
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