如改变前提，是可以得到连续统与自然数集合间的一个一一对应的。
If it was changed, a one-one correspondence between continuum and natural number set can be received.
在自然数的集合里，每个数字不是奇数就是偶数，不存在一个偶数或多或少比另一个偶数更像偶数这样的情形。
In the set of natural Numbers, every number is either odd or even, and there is not one even number that is more or less even than any other even number.
如果集合较小，我们可以简单地列出起成员并用正整数记录列出的成员的数目，从1开始，以自然数的次序往下直至结束。
If the set is small, we can simply list the members and number the list with positive integers, starting with 1 and proceeding in the natural order until we reach the end of the list.
如果集合较小，我们可以简单地列出起成员并用正整数记录列出的成员的数目，从1开始，以自然数的次序往下直至结束。
If the set is small, we can simply list the members and number the list with positive integers, starting with 1 and proceeding in the natural order until we reach the end of the list.
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