(4474期)人们是不是越来越忙碌了Do people become much busier than before

多亏了现代科技  thanks to modern technology 过去 before/used to be  过去在办公室工作的人可以在家办公 Those employees who used to sit in the office can work at home today 周末加班 work overtime on weekends 补课  the classes are not arranged at school, but in some special organizations or training schools 必须的 undoubtedly/for sure/required