I think, those children don’t have enough knowledge about high-tech
can/could still do other task like farming and acquire the contentment of
mind easily.
请问同一句子出现don't 与 can/could 且中间无连接词
这样合乎文法吗?
谢谢解答

那是关系词被省掉了吧理想上要加个who,但口语偶尔会这样