In the current climate, though, hard-headed (and hard-hearted) cost control won't be enough to maintain profitability.

然而，在当前环境下，头脑冷静（且铁石心肠）的成本控制不足以维持盈利能力。

For cost control may prove harder abroad than at home.

因为国外的成本控制可能比国内更难。