1. Supermart keeps their costs low by offering high volumes of basic commodities and by cutting back on personalized service.2. In addition to buying daily necessities, consumers can also pay their bills or even pick up their online orders from convenience stores in Taiwan.3. I buy salt, rice, meat, fish, and other staples at the farmers' market.4. I buy groceries at this grocery store all the time.
 daily necessities basic commodities groceries stapledaily necessities 指日常所需的東西，包括食物，是「日用品」最貼切的英文。basic commodities 也指日用品。groceries 指日常所需的食物或東西，沒有像 daily necessities 強調日常必需品，但意思相近。staple 指日常所需的食物。
我買了鹽巴, 米, 衛生紙等日常用品.
I tried to explain how the software works to my dad, but he is slw on the uptake.