Unless we act now to protect the environment, we shall have failed in our collective responsibility to future generations.除非我们现在采取行动保护环境，否则我们大家都将无法尽到对后代所共同负有的责任。The bureau was without a manager for some time, so the staff took collective responsibility for all the tasks.这个机构有一段时间没有经理，所以所有的工作都由员工共同承担责任。