comfort zone 舒适区，放松区(指人自我放松、不追求高效益的状态)

【例句】
Walk out of our comfort zone and try new things!
走出我们的舒适区,尝试新事物！

Unfortunately, if you never venture outside of your comfort zone, you'll never grow.
很不幸的是，如果你从不跨出舒适圈去冒险的话，你永远不会成长。