To give you an idea of the magnitude of this effect, you can connect these two lines, and what you see here is that 18-year-olds anticipate changing only as much as 50-year-olds actually do.
为了让你们了解这种影响有多大， 你们可以把这两条线连接起来， 你们现在看到的是18岁的人群 预期的改变仅仅和 50岁的人群实际经历的一样。