过去是一种始终存在的阴影，无论你选择忽视与否。
The past is a kind of shadow which is always there, whether you choose to ignore it or not.
全球金融合作的可持续性在于国家利益与系统稳定性的平衡。
农业中的每一个挑战都是创新的机会。
It is hard to read a newspaper or watch a television newscast without encountering someone who has come up with a new 'solution' to society's 'problems.'