研究表明硬币在抛出去之后在着陆时更有可能显示它被抛之前的状态(这和如果你从1开始数，你永远不会数到偶数比奇数多的情况是一个道理)。

Research has determined that a coin will more often land showing the side when it is flipped (for the same reason that, if you count up from one, you will never have more even Numbers than odd.)

youdao

现在让我们实现更复杂的目标并添加一些有条件的文本呈现—例如，命名偶数和奇数表行的css类。

Let's make the goal more complex and add some conditional text rendering - for example, CSS class names for even and odd table rows.

youdao

用不同的颜色显示奇数行和偶数行，这样读者更容易阅读。

By alternating colors on even and odd rows, it makes the list easier to scan.

youdao