1. He reads without turning on the light to save electricity, and eventually he became blind. It is totally not worth it!2. I saved all the money to buy this Benz, and I got into a car accident. The price I paid is far too dear!
 The gain cannot cover the loss. not worth it price is far too dear白話的翻出即可. 就是指花費的錢財或精力實在太高了.
1. 他為了省電唸書不開燈, 最後眼睛瞎掉了, 真是得不償失啊!2. 我存錢買了這台賓士, 後來卻出了車禍, 真是得不償失啊!
這是一個連環問題: 燃燒石油導致二氧化碳增加，二氧化碳增加導致溫室效應，溫室效應導致冰層融化、海平面上升。 (請填空)
This is a chain of problems. Burning oil leads to increase in carbon dioxide, which leads to the greenhouse effect, which leads to melting of glaciers, which leads to rising ea levels.