Changes in the money supply affect the level of economic activity and the interest rate.
货币供给的变化影响经济活动水平和利率。
The move to replacement-level fertility is one of the most dramatic social changes in history.
人口趋向生育等值替换水平是历史最有戏剧性的社会变化。
Once you reach this level of lucidity, everything changes.
一旦达到了清醒的层次，什么都变了。
The present research method of sea level changes has been summarized.
海平面变化研究的重点是寻找高精度的海平面标志。
The present research method of sea level changes has been summarized.
海平面变化研究的重点是寻找高精度的海平面标志。
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