In the primary group come the necessities of life: food and shelter and clothing.

第一层次来自于对生活的基本需求，包括食物、住所、衣服。

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And as Dollar General becomes more and more of a low-priced retailer of most of everyday necessities to all types of consumers, a more diversified group of investors is getting attracted to the stock.

FORBES: Discount Retailer Attracts New Investors As It Evolves Into One-Stop Shopping Destination