sample merchant

例句：

1. 1. We need tocollect samples from different regions for further analysis.
   我们需要从不同地区收集样本进行进一步分析。
2. 2. The company is testing a new producton a sample basis.
   该公司正在对新产品进行试产。
3. 3. Samples of thesoil were sent to the lab for testing.
   土壤样本被送到实验室进行测试。