We should keep our living surroundings clean and healthy just as we do with our own homes.
我们应该使我们的生活环境清洁和健康的就像我们做我们自己的家园。
It is the students' responsibility to keep their rooms and their surroundings clean.
留学生有责任保持房间和周围环境的卫生。
That's why I came up with this Contest for us to keep our surroundings clean and to make those Dead Strings still useful in this kind of Contest.
因此此比赛目的是使我们环境保持清洁并使这些无法使用的绳子还有利用价值。
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