And in case you were wondering, they're called "eyebrows," not "eyebrow." Always make sure there are two of them before heading out, not just one.

如果你感到奇怪，如果你觉得奇怪，人们为什么说‘一副’眉毛，而不是‘一只’，那是因为眉毛有两条，请确保两条都修饰到了，不要厚此薄彼。