" They couldn't see any tangible impact, " he recalls.

“他们意识不到洗手有任何实质影响。”

Food that we grow has had a tangible impact upon our community.

我们种植的食物对我们的社区产生了切实的影响。

But a question here I ask myself every day where is the tangible impact?

但我每天都在问自己一个问题，具体的影响在哪里？

A lot of work might not produce a tangible impact right away, so you have to be patient.

很多工作可能不会马上就产生切实的影响，所以你必须有耐心。

So it seems like it is having a tangible impact on customers.

因此，它似乎对客户产生了切实的影响。

My further lies in taking what I have learned and turning it into product designs that have tangible impact.

我的未来在于将我所学到的东西转化为具有实际影响的产品设计。

However, the plastic waste generated by disposable diapers is just too much to overlook in terms of tangible environment impact.

然而，就有形环境影响而言，一次性尿布产生的塑料垃圾实在是不容忽视。