From the behind-the-scenes footage, we get a feeling of how much effort the crew have put into the production of this film.
behind-the-scenes footagebehind-the-scenes footage 很貼切，任何幕後活動或拍片的過程的側錄的影片都能稱為 behind-the-scenes footage
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 greenouse effect, which leads to melting of glaciers, which leads to rising sea levels.