training - learning, development, course, trainings, coaching, mentoring⏎
restraint - limit, moderation⏎
surplus - glut, superfluity, extra, more than is needed⏎
voluntary - uncharged (fee), offered, done willingly⏎
unique - special, unusual, inimitable, one of a kind⏎
slash - reduce something by a large amount cut⏎
used - second-hand, pre-owned, employed, utilised, utilized⏎
stable - steady, unchanging, firmly fixed⏎
undue - unreasonable, unnecessary, unwarranted, undeserving⏎
wake-up call - sudden warning⏎