It is an old Chinese tradition for parents to give their children a red envelope with money on Lunar New Year's Eve.
 a red envelope (with money) a red envelope with cash白話的翻出即可.
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.