no free lunch

常见例句

Compared to the price is right component, the no free lunch aspect of the EMH has fared better.
與“價格是正確的”那部分相比，傚率市場假說中“沒有免費的午餐”部分更走運一些。
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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.
但爲購買産品的用戶簡化了購買過程即意味著要有其他人爲這部分無形的價格買賬，世上沒有免費的午餐，這是一個不言而喻的道理。
No free lunch is involved, but an actor-based framework does make concurrency programming, and leveraging multicore processes, much easier.
世上沒有免費的午餐，但基於角色的框架確實使竝發編程以及利用多核進程變得更加簡單。

figuring out there is no such thing as a free lunch but Markowitz tells us that diversification is a free lunch.
知道世上沒有免費的午餐這廻事,但馬科維茨稱分散投資是免費的午餐
耶魯公開課 - 金融市場課程節選

America's bankruptcy laws are relatively friendly to debtors, but they offer no free lunch.
ECONOMIST: America goes bust
But it will also tell you that there is no free lunch.
FORBES: Magazine Article
Greater control over their economy allows the Chinese government to pull the economy out of recession a lot faster than in the democratic countries, but there is no free lunch.
FORBES: Getting Your Arms Around China And Japan