问题描述：
英语翻译
People who join the company's "mother's club" get lectures and child development at no extra cost-if they agree to spend 18 dollars a month on the company's educatinal toys and childcare books.
People who join the company's "mother's club" get lectures and child development at no extra cost-if they agree to spend 18 dollars a month on the company's educatinal toys and childcare books.
问题解答：
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