The index number is a very important tool to economic analysis.

指数是进行经济分析的重要工具。

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But for us, it's not just a language, it's also a very important tool and powerful weapon.

但对我们来说，它不仅仅是一门语言，它还是一个非常重要的工具和强大武器。

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Customer satisfaction model of highway service is a very important tool to evaluate and improve service quality of highway sector.

公路服务用户满意度模型是评价公路服务质量、提高公路服务水平的重要工具。

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Games are a very important tool to the Army, partly because they're very engaging.

FORBES: Thomas Killion On Games In The Military

Money is the only way to measure wealth, and a very important tool in judging personal success.

FORBES: Chinese Professor Tells Students Become A Millionaire Or You're A Disgrace

"While renewables are very important, the most critical tool in the box is a focused commitment to reducing consumption, " he said.

BBC: Energy efficiency boost at Eden Project