key - most essential, most important, main, chief thing, crucial influential⏎
functional - working, practical, useful, instrumental⏎
facilities - buildings, services, equipment, means, scope⏎
haggle - argue, barter, bargain⏎
marginal - small, unimportant, inconsiderable, insignificant,⏎
duty - obligation, task, work, job, tax necessity⏎
income - earnings, wages, salary⏎
jobless - unemployed, inactive⏎
gap - space, difference, requirement⏎
erode - weaken, impair, reduce⏎