Many people learn English as a tool,but not as an independent sub_英语解答

Many people learn English as a tool,but not as an independent subject.这个句子有没有语法错误?

人气：353 ℃　时间：2020-01-30 12:10:02

解答

真正要研究语法的话,
我认为,
应该把but去掉,
因为and but这些并列连词应该连接两个对等成分,
前面是一句话,
而后面只是一个短语.
另,
没有考虑遣词方面的问题!