Even if your system is super efficient, you still pay the flat rate.
即使您的系统超级节电，您还是需要付固定的费用。
Russia overhauled its progressive tax system in 2001, dropping the top rate from 45% in 1999 to a flat 13%.
2001年俄罗斯喊停其颇为激进的税务体系，把1999年起实行的最高税率由45%降低至13%。
Russia overhauled its progressive tax system in 2001, dropping the top rate from 45% in 1999 to a flat 13%.
2001年俄罗斯喊停其颇为激进的税务体系，把1999年起实行的最高税率由45%降低至13%。
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