更好的方法是使清洁的、可再生的能源更便宜。
The better way is to make clean, renewable energies cheaper.
热量使你肌肉放松，汗水有助于清洁你的身体。
The heat relaxes your muscles and the sweat helps clean your body.
在学校当清洁工使他开始思考，如何对组织里的每个人表示尊重。
Being a cleaner at a school made him think about how to show respect for everyone in an organization.
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