Higher wages and the way Dutch taxes bite in the middle of the income distribution make extra hours less attractive, encouraging families to trade income for time.
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“In the manifold of breakfast, are there empty subspaces? Might there be breakfasts that no one has ever had? With a theoretical model of breakfast, can we derive the existence of ‘dark breakfasts,’ breakfasts that we know must exist, but have never observed?”,这一点在同城约会中也有详细论述
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