Trade-off

Mechanical advantage is a trade-off.

Policymakers face a trade-off between the high upfront cost of moving quickly toward net zero carbon targets, and the long-term damage to economic growth caused by climate change, if they delay action, say analysts.

In writing, there's often a trade-off between being concise and being complete.

Individual episodes are still thrilling and often quite striking, give or take some pitch-black battle scenes. But the gradual ramping up of the plotting that has grown steadily in the past three seasons crossed some invisible Maginot line this year, where the formerly acceptable trade-offs of focus for fun are no longer quite so taken for granted.

All of these are of vital importance to the effective functioning of GBR. They all require the judgement of Solomon to handle the myriad and complex trade-offs between running trains and maintaining the railway, and deciding how capacity on any particular route can be optimised with all the competing demands from varying operators to run on it.