- Vegetables grown outside are not only dirty from the soil but are also many toxic substances attached such as photochemical oxidants which were made of nitrogen oxide and a hydrocarbon cause a chemical change, PM 2.5, yellow sand, cadmium, a nitrogen oxide, and chlorine.
- 蔬菜不仅含有土壤污垢，还含有例如PM2.5，黄沙，镉，氮氧化物，氯，氮氧化物和碳氢化合物经历化学变化形成的光化学氧化剂等多种有害物质
- 使用来自天然油脂的肥皂清洗，是一种对肌肤温柔的清洁剂