除了少数极为成功程序之外，免费路线是不合适的，因为用户根本没花足够的时间让开发者可以通过广告来收回成本。
For all but the most successful apps, the free route does not make much sense because there is not enough time to recoup the costs of developing the app from advertising.
几乎没有出贷者想要提前收回债权，因为这个过程要花费大量的时间，成本过高，而且常常造成搬走的房客毁坏房屋的事件。
Few lenders want to foreclose, a process that takes ages, incurs massive costs and often causes the departing residents to trash the house.
年轻人比老年人更受欢迎，因为年轻人有更多的时间收回签证的成本。
The young, he argues, would also be more interested than the old, because they would have more years to recoup the costs of the visa.
收回房产即耗时又代价昂贵，它平均需要18个月的时间而且估计需要大约为贷款额20-25%的成本。
But foreclosure istime-consuming and expensive, taking 18 months on average and costing anestimated 20-25% of the loan balance.
现在的系统成本在500,000美元左右，每年可以节省电费100,000美元。也就是说，在5年多一点的时间里可以收回成本。
The system costs about 500,000 dollars and saves nearly 100,000 dollars in electricity each year. And we will pay back in a little over 5 years.
该报告中称，大部分海归至少需要五年时间才能收回留学成本。
According to the report, it takes most overseas returnees at least five years to earn back their study abroad costs.
快速的投入回报，可以从节省燃料、冷却热水和节省补加水中收回成本经过长时间证明非常耐用，可以经年24小时使用。
Fast investment payback from fuel, cooling water and makeup water savings Durable, time proven designs, built to take the punishment of continuous, 24 hour a day service for years.
在过去十年左右的时间里，银行的高级经理为了降低银行网点的成本已经将一些业务收回总行。
In the last ten years or so, Banks' senior managers have taken operations out of branches in order to reduce the cost of their networks.
如果你要测试兼容30个打印机的程序，那么你可以在不到一周的时间里收回自动化该测试的成本。
If you test the program's compatibility with 30 printers, you might recover the cost of automating this test in less than a week.
几乎没有出贷者想要提前收回债权，因为这个过程要花费大量的时间，成本过高，而且常常造成搬走的房客毁坏房屋的事件。
Few lenders want to foreclose, a process that takes ages, incurs massive costs and often causes the departing residents to trash the house. It is better to agree on a quick sale.
多长时间能收回成本？
虽然他们也许要五年时间才能收回留学成本，但在正确的职业规划的指引下，他们可谓前途无量。
Though they may need five years to earn back the study abroad costs, with the right career plan, they'll have a tremendous future, " he says."
我们把这些已经发生不可收回的支出，如时间、金钱、精力等称为“沉没成本”（。
While sunk costs should not affect the rational decision maker's best …
我们把这些已经发生不可收回的支出，如时间、金钱、精力等称为“沉没成本”（。
While sunk costs should not affect the rational decision maker's best …
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