本期内容：

On Thursday, Yeezy Mafia, an unofficial social media account that tracks news of Mr. West's sneaker brand, posted a photograph of the latest style in the singer's Yeezy line. It wasn't the white shoes' first appearance on the internet; Mr. West's daughter North was seen on Instagram in June wearing a child-size prototype. Still, the new shoes' poor reception signaled a potential challenge for Mr. West. "You don't want to have negative buzz," said Matt Powell, a senior analyst with NPD Group, a research firm.

Mafia n. 黑手党（尤活跃于意大利西西里和美国）
unofficial adj. 非官方的
track vt. 追踪 n. 小径
sneaker n. 运动鞋
prototype n. 原型
reception n. 接受度
negative buzz: 差评如潮

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