Andalso, it points out that improving recycling use of cobalt is very important in our country, which is in a shortage of cobalt resource.

指出中国作为钴资源缺乏的国家，提高再生钴的回收利用重要性。

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For example, the cost of a universityeducation involves tuition, and text book purchases, andalso the wages that would have been earned during the time at university, butwere not.

比如，上大学的成本包括学费、书费，还有如果你不上大学，能够挣到的工资。

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