So, a band 7 looks like this: Uses a range of complex structures with flexibility, with some flexibility, and there are frequent error-free sentences.

使用了一系列具有灵活性的复杂结构，具有一定的灵活性，并有繁出现的无错误句子。

Any abuses, he said, were isolated mistakes unavoidable in a war.

他说，任何虐待都是战争中不可免但彼此并无关联的错误。

Every time I go out in the world and try to query it, the signals I get back from the world tend to be nonsense or wrong.

每次我走出并试图查询它时，从到的反馈信号往往是无意义的或错误的。

First, try to be more careful by using the rules of error-free speaking.

首先，要更加小心地使用无错误的说话规则。

Moreover, this heavy reliance on automated language assistance tools can inadvertently impede the development and preservation of the ability to construct error-free sentences independently.

此外，这种对自动语言辅助工具的严重依赖可能会无意中阻碍独立构建无错误句子的能力的发展和保持。