In 2020 a new virus that cause a disease called COVID-19 suddenly appeared and caused a pandemic all over the world, forcing people to lead a daily life they had never experienced before. Office workers must now work at home and students must take remote classes. Meetings and sales activities are now also done through remote connections. People have been forced to rely on online shopping to buy everyday items including food and to have meals delivered by home-delivery services. Travel, sports, and outdoor leisure have also been limited, and more and more people have begun to enjoy playing games connected to the Internet and watching movies and videos at home. Under these circumstances, the demand for optical communication traffic is increasing rapidly.

中文翻译：

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 来自日本的新闻


2020年，一种名为COVID-19的新型病毒突然出现，并在全球范围内引发大流行，迫使人们过着以前从未经历过的日常生活。办公室工作人员现在必须在家工作，学生必须参加远程课程。会议和销售活动现在也通过远程连接完成。人们被迫依靠网上购物来购买包括食品在内的日常用品，并通过送货上门服务送餐。出行、运动、户外休闲也受到限制，越来越多的人开始享受在家玩联网游戏、观看电影和视频。在这种情况下，光通信流量的需求快速增长。