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1.carbon footprint 碳足迹
例句：Usually a carbon footprint is calculated for the time period of a year.
通常情况下，碳足迹是以一年为一个时间段进行计算的。
2.take public transport 乘坐公共交通
例句：It sounds simple, but leaving the car behind and taking public transport could save you more than you think.
或许听起来没什么，把“爱车”抛下，选择公共交通也会带给你意想不到的好处。
3.health system 卫生系统
例句：He said the system could work within the public health system with the correct technology and systems.
他说，利用合适的技术和系统，这个体系可以在公共卫生系统内部运行。
4.for recreation 娱乐
例句：But with nearly all their energy going to their jobs and their daughter, there's been no time for recreation.
但是，他们几乎把所有的精力都放在工作和照顾女儿上，没有任何娱乐时间。
n. 适合度（生物学术语） n. 健康
