近年来环保话题一直不绝于耳,而人们最关心的话题无非节能减排保护资源。今天的课程我们就要来聊一聊这个话题,赶快来看看那吧!

Maturity: General
Native: Chinese, Target: English (American)
Hosts: Catherine, Marco
Topics: 低炭, 减排, 节能, 环保
Grammar: present_perfect

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