But there are limits to this strategy, in as much as margins on undifferentiated production have proved low.

但是这种策略也尤其局限性。 事实证明，未细分的商品生产带来的利润多是很低的。

youdao

Mass production, however, has proved elusive.

大批量生产已证明很难。

youdao

But moving the machines into mass production has proved problematic.

但是，把机器移动到大规模生产的证明问题。

youdao

He says that from the 1970s on, the Soviet economy proved unable to adjust to an increasingly information-driven global production system.

VOA: standard.2009.11.03

For the time being, production methods have proved difficult to scale up.

ECONOMIST: A new approach to making optical fibres

What drives economic growth and prosperity is incentives for increased production, as Reaganomics proved.

FORBES: The GOP Jobs Plan Vs. Obama's

What promotes economic growth and prosperity is incentives for increased production, as Reaganomics proved 30 years ago for anyone sentient who was paying attention.

FORBES: There Are No Longer Any Excuses For Obamanomics