Words similar to hard-to-track

Example sentences for: hard-to-track

How can you use “hard-to-track” in a sentence? Here are some example sentences to help you improve your vocabulary:

Unless it cuts our own employer's productivity--which in hard-to-track ways it may well do--it doesn't even get subtracted from the GDP.
Critics of the traditional method (counting each household) argue that this method misses isolated and hard-to-track populations, which are disproportionately black and Hispanic.