可以的。你的句子意思是：

You might represent each letter with a number, for example. 例如，你可以用一个数字来代表每个字母。

补充例句：

You make too many mistakes—lots of spelling mistakes, for example. 你的错误太多——比如，有好多拼法错误。

I know many women who have a career and a family—Alison for example. 我知道有许多妇女能事业家庭兼顾——艾莉森就是其中之一。

The report is incomplete; it does not include sales in France, for example.  这份报告不完整，例如在法国的销售情况就没包括进去。

There’s confusion and resentment, and it’s almost never expressed out in the open. Take this office, for example.  混乱和怨恨是存在的，而几乎从没人公开表露出来过。就以这个办公室为例。

Living in such a beautiful old castle is something of a mixed blessing. Just think of the heating bills, for example. 居住在这座美丽的古城堡中既有利，也有弊。比如，想想它昂贵的取暖费用吧。