但为购买产品的用户简化了购买过程即意味着要有其他人为这部分无形的价格买账，世上没有免费的午餐，这是一个不言而喻的道理。
But making things simple for the user of a product means that someone else must pay the ethereal price for the truism that there is no free lunch.
世上没有免费的午餐，但基于角色的框架确实使并发编程以及利用多核进程变得更加简单。
No free lunch is involved, but an actor-based framework does make concurrency programming, and leveraging multicore processes, much easier.
每个有机会存活在世上的人都是上帝所赐给我们的免费午餐，所以我们没有理由去浪费它。
Everyone who has a chance to live in the earth all is a free lunch which was given by the god, so we've no justification to waste it.
每个有机会存活在世上的人都是上帝所赐给我们的免费午餐，所以我们没有理由去浪费它。
Everyone who has a chance to live in the earth all is a free lunch which was given by the god, so we've no justification to waste it.
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