When their car broke down in the middle of the road in the desolate rural area, they sat in the car hopelessly, not knowing what to do.
not know what to do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 greenhous effect, which leads to melting of glaciers, which leads to rising sea levels.