作者以某家门阶旁的新生儿为例想要说明什么？

What does the author try to illustrate with the example of the newborn on one's doorstep?

youdao

以苏珊娜为例，她的父亲是一名急诊科医生，母亲是一名注册护士，连父母都不知道她的新工作是什么。

In the case of Suzanne, neither her father, who works as an emergency room physician, nor her mother, who works as a registered nurse, knows about her new job.

youdao

让我们以加州为例分析一下为什么严格的总量管制与排放交易系统不会以牺牲增长为代价。

To see why a serious cap-and-trade system doesn't have to come at the expense of economic growth, take a look at California.

youdao

Well, if you take a look at the Greek civilization let us say in the classical period, those other cultures wouldn't have had a clue what the Greeks were doing, so different was the Greek experience from theirs.

如果你看一看希腊文明,让我们以古典时期为例,其他文明,都不会理解希腊人在做什么,希腊人与他们的经历是如此不同

耶鲁公开课 - 古希腊历史简介课程节选