scratch the surface of the problem meaning in English

对问题作不痛不痒的探讨

These measures hardly scratch the surface of the problem
这些措施仅仅触碰到问题的表面。
Clearly this addition barely scratches the surface of the problem of proper interpretation of the schema
显然增加的信息与模式的正确解释没有多少关系。
The economy of the country is stuck in recession and it barely has the money to scratch the surface of the problem
这个国家经济陷于低迷，几乎没有资金来着手解决基本问题。
“ the contributions to the debate about earthquake prediction research in nature so far , clearly show that we have hardly scratched the surface of the problem of how earthquake ruptures initiate and how to predict them
“到目前为止，对《自然》杂志这次关于地震预测的辩论所投的稿，清楚起表明我们仅对地震破裂是怎样开始的，以及如何预测它们仅接触到问题的皮毛。