成功企业的领导人知道，对人才的投资是有回报的。用理查德-布兰森爵士的话说，决策者应该把人培养得足够好，以便他们能够离开；把他们对待得足够好，以便他们不想离开。( decision-makers should train people well enough so they can leave; treat them well enough so they d...