为了避免发生错误，学生在拼写时比以前更小心了的翻译：To avoid errors, students in spelling more carefully than before 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

To avoid errors in spelling when students more careful than before

To avoid errors, students in spelling more carefully than before

In order to avoid having the mistake, student when spelling compared to before was careful

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To avoid errors, students in spelling more carefully than before