最优财政政策要求税率随时间平稳变化,仅对政府支出的永久性变化作出反应。
The only way to get rid of a temptation is to yield to it.
Thinking consists in envisaging, realizing structural features and structural requirements.
Stay true to yourself and never let anyone change you.
Melody is the essence of music.
我创作的灵感来自痛苦,也来自快乐。