That said, you can expect this particular feature to err on the pricier side, given that it's only useful if it's relatively scarce.
However, it's only useful in stretches – don't bother using it in town, you'll be stopping and starting too much for it to make any difference.
It is only useful to collect rainwater if it can be done in large quantities, but it is not always easy to determine the best means of doing so.
"Alemtuzumab has been found to be an effective treatment for people with MS - but it's only useful to them if it's available on the NHS.
It needs a Net connection for its live data, though, so it's only useful if you're camping where you have one.
One Clintonologist argues that she has "a high usefulness quotient": it is only useful people she cosies up to.
At the time it gets in the way -- it's only useful before or later.
So getting.woohahoo might be handy, but it's only useful if the average person gets used to the idea that.toyota is a normal domain name.
Nevertheless, it is only useful if both narratives are acknowledged, and if it is agreed that there is more than one "simple truth".
The portfolio per se does not add any value to learning and assessment – it is only useful or valid to the extent that learners engage with it [ 34].
