A scenic overlook, observation point, lookout, viewing point or vista point is a high place where people can gather to watch the scenery. The top of Taipei 101 is such a place.
 scenic overlook observation point lookout viewing point vista point觀景台有很多種英文說法，請參考例句。
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 problem. Burning oil leads to increase in carbon dioxide, which leads to the greenhouse effect, which leads to melting of glaciers, which leads to rising sea levels.