From today's vantage point, the 1987 crash seems just a blip in the upward progress of the market.
从今天的观点来看，1987年的暴跌似乎只是市场上扬进程中一次短暂的下挫。
《柯林斯英汉双解大词典》
2
From that point, her search volume has ratcheted upward, in a series of peaks and valleys.
从那时起，她的搜索量呈波浪形上涨，有顶峰有低谷。
3
If the fresh water were to fall below a certain point, the salt water could rush upward and mix with it, taking out a water supply that is essential for Israel.