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Investors should avoid market timing and stock picking.
两个物体的相互作用力总是大小相等,方向相反,同时出现或消失且作用于同一直线上。
"It's not what you look at that matters, it's what you see."
The first erroneous assumption is that quality means goodness, or luxury, or shininess, or weight. Quality means conformance to requirements.