我们已经改进了很多，但是，还需要进一步的改进。

We have improved but we have to improve more.

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最后，我将描述一些在我们的思想中使用的情境，这些情境随时间得到了改进，但还需要一些关键客户的验证。

Finally, I will present some of the scenarios we used in our thinking; these were refined over time but also validated with some key customers.

youdao

晚饭后，我们聚在一起，感谢了截面调查小组对我们的接待，交流了我们对有效的方法、无效的方法、怎样改进、以及还需要什么帮助等的看法。

After dinner we gathered around and thanked the transect team for hosting us, and got and gave feedback on what's working, what's not, how things can be improved and what type of support is needed.

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