Unpredictable events. Out of the blue, uninvited houseguests arrive. Or you discover your rent has gone up or that your pay has been cut.

无法预测的事件。不速之客的来到，租金的上升， 薪水的减少。

youdao

You can make a delay for booked room or change to guaranteed reservation. You should have to pay for the whole price if your customer can't arrive on time.

贵司可以对预定房间提出延时或改为担保预定，若贵司客人因故未到，则贵司需承担全价房费。

youdao

The poor fishermen who use them have no money to pay for repairs or replacements, or to feed themselves while they wait for help to arrive.

ECONOMIST: The tsunami

Instead of hailing or calling a cab, waiting for it to arrive and making sure you have enough cash in your wallet to pay the fare, Uber carved out a unique niche by greatly simplifying the entire experience.

FORBES: Simplicity Is The New Premium