balance betweeen supply and demand of commodities

例句：

1. 1.The teacher asked the students to balance their books on the desk.
   老师要求学生们把书放在桌上保持平衡。
2. 2. The company needs to balance its profits with its social responsibility.
   公司需要在其利润与社会责任之间找到平衡。
3. 3.The new manager is trying to balance the workload and the team's expectations.
   新任经理正试图在工作负担和团队期望之间找到平衡。