1. My friends and I went out and celebrated the new year at Times Square.2. Although I sometimes do the New Year countdown with my friends, I have never understood the point of it.
 celebrate the new year do the New Year countdowncelebrate the new year = 慶祝新的一年do the New Year countdown = 年底倒數計時We celebrated the new year at Times Square = 我們在時代廣場跨年
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 effet, which leads to melting of glaciers, which leads to rising sea levels.