In recent years, relevant countries have worked to improve their relations and achieved remarkable progress.

近年来，这一地区有关国家致力于改善彼此关系，并取得明显进展。

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K knowledge (knowledge) : learning all kinds of knowledge and you have learned to improve their lives and promote social progress.

k知识(knowledge)：不断学习各种知识，并把你所学到的知识用于改善生活和促进社会的进步。

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Thus they will be inspired to greater efforts to improve their studying method so as to make greater progress.

这样，他们将得到启发，以更大的努力来改善他们的学习方法，以取得更大的进步。

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They can run controlled experiments, they can track their progress toward goals and they can gather constructive feedback to improve the value proposition or execution.

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