1. We won this contest with a clear conscience.2. As long as I have a clear conscience, it doesn't matter what people think of me.
with a clear conscience; have a clear conscience; one's conscience is clearconscience 的意思就是良心.
1. 我們問心無愧的贏得這場比賽.2. 只要我做事問心無愧, 別人要怎麼想我都沒關係.
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 glacers, which leads to rising sea levels.