the knowledge and economy brings a lot of benefits to a country 的英语作文 词数120左右吧 谢

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the knowledge and economy brings a lot of benefits to a country 的英语作文 词数120左右吧 谢

The knowledge and economy brings a lot of benefits to a country :As we all know,China had been invaded by different countries in the past,the main reason was that China was so backward in both the sci...