### Chinese: 一年来，世界百年未有之大变局和新冠肺炎疫情全球大流行交织影响，外部环境更趋复杂严峻，国内新冠肺炎疫情防控和经济社会发展各项任务极为繁重艰巨。
### English: In the past century, the world's great changes and the global epidemic of the <v>new coronavirus epidemic</v> intertwined, the external environment became more complex and severe, and the domestic new coronavirus epidemic prevention and control and economic and social development tasks were extremely difficult.
### Errors: There is a major accuracy/mistranslation error at "new coronavirus epidemic" within <v></v>.

### Improved English: For the past year, under the intertwined influences of the great changes never seen during the past one hundred years and the COVID-19 global pandemic, external environments were more complicated and grim, and the tasks of pandemic prevention and control and various economic and social development tasks are extremely heavy and arduous.
