Keep - continuing or remaining in a spot or condition; "they'd a pleasant remain in Paris"; "a prolonged healthcare facility stay"; "a 4-month stay in individual bankruptcy court" Here is often a shockingly efficient learning tactic championed by Steve Kaufmann, co-founding father of LingQ and polyglot of about 20 languages! https://marioqaiqv.blogzag.com/82896560/the-2-minute-rule-for-professional-solutions