"Each eye is unique and has different curvatures. There isn't just one size," Salz said.
“每一只眼睛都是独特的，拥有不同的弯曲度。并非只有一种大小。”萨尔茨说道。
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This detail and others seem to reinforce a comment Rich Salz, author of ZSI, made to us: that ZSI is actually designed primarily for complex Web services.