Zoning policies often require separation of residential and commercial areas — but an ideal walkable area would be a mix of the two.

实行这个计画的必要条件在任何地方 这个计画都行得通。

We have recently embarked on, at least in New York City, a new pilot proposal called Clean Curbs where we are gonna start installing corral areas in residential and commercial areas.

我们最近至少在纽约市着手一项新的试点提案，叫做清洁路缘石，我们将开始在住宅区和商业区安装畜栏区。

However, in comparison with his effective work as the ex-mayor, he was hopeless with this new job, because he could only find people from the commercial areas, who had no commitment to attending quiet meetings.

然而，与他作为前市长的卓有成效的工作相比，他对这份新工作感到绝望，因为他只能找到商业领域的人，而这些人并没有承诺参加安静的会议。

So, places where people live — residential areas, places where there are shops — commercial areas, house prices — unfortunately, in most places, they have gone up, they have rocketed and your neighbourhood, lots of ways you could describe a neighbourhood.

人们居住的地方叫住宅区，有商店的地方叫商业区，不幸的是，在大多数地方，房价都在飙升。你的社区，你可以用很多方式来描述一个社区。

“The two attacks targeted a public, commercial area of the capital and resulted in the death and injury of hundreds of civilians, including United States citizens, ” said the White House Press Secretary in a written statement.

白宫新闻秘书在一份书面声明中说：“这两起袭击针对的是首都的一个公共商业区，导致包括美国公民在内的数百名平民伤亡。”