Many people visit their dead relatives' tombs every year to pay respect to them. However, some of them are confused as to why they do that. Do dead people really leave their spirits behind or no?
 pay respect to a dead person at their tomb visit ancestors' graves to pay respect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 melting of glaciers, which leads to rising sa levels.