We have made significant investments in our foundations, work flows, and performance across the tools with some pretty substantial results.

我们在各项工具的基础工作流程和性能上面都做了重大投入，并且已经获得了一些可喜的成果。

Bangladesh also has achieved substantial results.

孟加拉国也取得了实质性成果。

The more effort put in and the wider the whole school involvement, the more substantial the results are likely to be.

投入的努力越多，学校参与的范围越广，结果就会有更实质性的改善。