Some parents say the care needed for children who may have complex trauma injuries is difficult to find anywhere, and nearly impossible for refugees.

一些父母说，对于那些可能受到复杂创伤的孩子来说，很难找到治疗的地方，这对难民来说几乎是不可能的。

Now we still have a lot of work to do, and there are a lot of questions to answer, but this is the first time anyone has shown that plant tissues can be used to repair such a complex injury.

现在我们还有很多工作要做，还有很多问题需要回答，但这是第一次有人证明植物组织可以用来修复如此复杂的损伤。