在最近一次会议中，他们就一系列的问题作了具体的安排，其中包括如何战胜世界粮食短缺问题，能源问题及气候改变的问题。
The recent meeting has seen them make concrete arrangements on a series of issues, including fighting world food shortage, energy and climate change.
在最近一次医学会议上，一些研究者表示，他们通过初步研究发现，过度使用游戏机和手机有可能加剧其对儿童关节健康的不利影响。
The preliminary findings, which werepresented at a medical conference, raise the possibility that overuse of gamingdevices and mobile phones could impact children's joint health, the researcherssaid.
各国领导人6月份在多伦多参加的最近一次会议成效不大。
The leaders' last meeting, in Toronto in June, was a washout.
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