to spread gradually from the wealthy to the less wealthy; to benefit lower classes indirectly
"Many economists argue that wealth doesn’t always trickle down to the poor."
to enter suddenly and angrily, like a storm
to discuss a matter thoroughly with someone
to deal successfully with something difficult
to politely clarify that your opinion differs from someone e...
to reserve accommodation at a hotel or place
to try to find out information secretly or out of curiosity