1. Every year the government promises to do something about the poverty, but every year it flies under the radar.2. We were talking about starting a business a while ago, but nothing ever happened.3. Last month we decided to host a class reunion this year, but nobody followed up and nothing happened.
 Nothing (ever) happened. fly under the radar to go without being addressedNothing happened. = 什麼事都沒發生fly under the radar = 沒有人理會或處理，有不了了之的意思
1. 我們不久之前決定創業, 可是後來卻不了了之.2. 上個月我們決定今年辦一場同學會, 可是到後來不了了之.
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 meltin of glaciers, which leads to rising sea levels.