| The rate in every respect is fluctuating波動 all the time such as coupon rate票面利率, bank rate, borrowing rate 借貸利率and so on. Economy can undergo from boom to recession. When demand exceeds supply供不應(yīng)求, the inflation arises and the prices rocket up飛漲, which deteriorates惡化 the economic prosperity. Then depression comes. So to find out how to level out穩(wěn)定 the pecuniary condition經(jīng)濟狀況 is vital. And sometimes the prices will plummet暴跌;驟然下跌, which resulted in deflation通貨緊縮. Whatever, the speculative投機的 time is for everyone just in economic resurgence經(jīng)濟復(fù)蘇. | 
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