虽然面包是免费的，但是人们是以付出时间为代价的。
Although the bread was free, people paid for it with their time.
但是通过这周事件的充分证明，虽然在网络上处理事务的优越性大大高于它所带来的风险性，但是偏执于一方往往会让我们付出沉重代价。
But as this week's events amply demonstrate, although the benefits of doing things online still greatly outweigh the risks, it often pays to be paranoid.
虽然燃烧化石燃料和生物燃料的'隐藏'成本没有被计入它们的市场价格，但总得有人为它们付出代价。
The 'hidden' costs of burning fossil fuels and biofuels aren't factored into their market prices, but someone has to pay them.
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