美国缺少适合亚洲人肤色的化妆品，余素兰为此困恼了很长一段时间之后，决定去填补这一市场空缺。
Long frustrated by the dearth of makeup in the U. S. for Asian complexions, Susan decided to fill the void.
美国缺少适合亚洲人肤色的化妆品，余素兰为此困恼了很长一段时间之后，决定去填补这一市场空缺。
Long frustrated by the dearth of makeup in the U. S. for Asian complexions, Susan decided to fill the void.
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