出席这一事件的年轻人代表100多个国家，并且在从事大量广泛的道路安全努力。
Young people attending the event represented more than 100 countries, and are involved in a vast array of road safety efforts.
这门课将会有大量广泛的阅读，写作和组织课题、课堂展示以及商业策划等任务。
There will be extensive expectations in reading, writing, and developing a whole host of projects, presentations, and business plans.
生产规划阶段本身又需遵从产品设计阶段的要求，后者则来自大量广泛的产品研究工作。
The production planning state itself follows the requirements of the product's design stage that proceeds from extensive product research work.
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