๐ใใซใปใฒใคใ่จ่๐
Your most unhappy customers
are your greatest source of learning.
ใใชใใฎใ้กงๅฎขใฎไธญใงใ
ไธ็ชไธๆบใใๆใฃใฆใใ ๅฎขใใใ
ใใชใใซใจใฃใฆใๅญฆ็ฟๆบใใชใฎใ ใ
๏ฝใโใBill Gates - ใใใซใปใฒใคใใโใ๏ฝ
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