This city is close to the fortieth parallel of north latitude.

这个城市靠近北纬40度。

On my fortieth birthday I had reached a fork in the road, and I decided to give up working for somebody else and start my own business.

在我40岁生日那天, 我已到达岔口, 我决定不再为别人工作, 开始自己的事业。