1-tinker 小修，小补 ，摆弄

Time because training, traveling, racing, recovery, and the inevitable hours one spends tinkering with gear accumulate.

2-gear-intensive 需要多装备的

3-be north of sth 超过

According to the New York Times, the total cost of running a marathon-arguably the least gear-intensive and costly of all endurance sports-can easily be north of $1,600.

4-triathlon 铁人三项

No surprise, then, that data collected in 2015 by USA Triathlon shows that the median income for trithelets is $126,000, with about 80 percent working in professions such as medicine, law and accounting.

5-myriad 无数，大量，各种各样

There are myriad ways for relatively comfortable middle-to-upper class individuals to spend their time and money.

6-account for 占，考虑

Ask a white-collar professional what it means to do a good job at the office, and odds are they'll need at least a few minutes to explain their answer, accounting for their options of their boss, the mood of their client, and a variety of other external factors.

7-physicality 身体素质

Another reason white-coller workers are flocking to endurance sports has to do with the sheer physicality involved.