sample card

例句：

1. 1.The company provided us with a sample card for the new product.
   公司为我们提供了新产品的样本卡。
2. 2.She used the sample card to identify the ingredients in the recipe.
   她用样本卡来识别食谱中的食材。
3. 3.The sample card was helpful in understanding the product's features.
   样本卡有助于了解产品的特点。