3.I dreamed up a plan to solve both problems at once
我想出了一个方案,可以同时解决两个问题。
4.Their problem can only be solved in a spirit of compromise
他们的问题只能通过妥协来解决。
5.His team solved the engineering problem by stealing an idea from nature.
他的团队从自然界获得灵感,解决了这个工程难题。
6.I pledge that by next year we will have the problem solved.
我保证来年之前我们将解决这个问题。