To improve the order at the Starting Point, Time Zone will be assigned at the starting area. Runners should start from their respective Time Zones according to their personal performances.

为改善起跑秩序，起点将设立起跑时区，跑手应根据自己的成绩，在相应的区域内起步。

youdao

Owning a truly diversified portfolio might put you out of your personal comfort zone from time to time.

FORBES: Save Your Doomsday Reading for the Beach

If your job makes you feel dreary, it could be time to introduce vegetation to your personal breathing zone -- an area of six to eight cubic feet (0.2 cubic meters) -- where we spend most of our working day.

CNN: Office foliage for feel good factor