value barter trade

例句：

1. 1. The value of education cannotbe overstated.
   教育的价值无法被低估。
2. 2. The company's value is inits ability to adapt to change.
   公司的真正价值在于其适应变化的能力。
3. 3. The decisionto invest heavily in renewable energy has significantvalue for the environment.
   决定大力投资可再生能源对环境具有重大价值。