Enterprises must fulfill their social responsibilities and achieve the unity of economic and social benefits.
Parental investment is the key to understanding sex differences in mating strategies.
大萧条是20世纪历史上的一个决定性时刻,理解其原因和后果仍然是经济学家的一项重要任务。
Prayer is not overcoming God's reluctance, but laying hold of His willingness.
创新不是口号,而是每天都要做的事情。