个别的鱼可能会被取代，但每年鱼的数量都将趋于相同。
Individual fish may be replaced, but the number of fish will tend to be the same from one year to the next.
在别的国家，副作用竟然是灾难性的，但没有良好的药物取代它而被广泛使用着。
In others, the side effects turned out to be catastrophic but weren't well-known until after the drug was widely used.
我打赌我们也许，而且手机服务提供商们也将用现在低成本的设备来取代本该由其他设备来填充这一类别的产品线。
I would wager we may, and cellular service providers will use the now low-cost devices in place of what would have otherwise filled their feature-phone lineups.
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