摘要
This is from the biblical(Old Testament) story of the shepherd boy(David) killing the giant warrior(Goliath) with his sling and a small stone-a classic example of an uneven contest won by the apparently weaker party.
This is from the biblical （Old Testament） story of the shepherd boy （David） killing the giant warrior （Goliath） with his sling and a small stone - a classic example of an uneven contest won by the apparently weaker party.
