backing line

例句：

1. 1. The stock market is showing a strong backing line today.
   今天股市显示出强劲的支撑线。
2. 2. The company's financial report showed a backing line of profits.
   公司的财务报告显示利润呈支撑线增长。
3. 3.The new product launch has created a backing line for the company's future growth.
   新产品的推出为公司未来的增长创造了支撑线。