對投資者而言,寫字樓現在只分兩種:頂級與其餘

英文原標題：For investors, there are now just 2 kinds of offices: the best and the rest

英文原摘要：From Hong Kong to New York, a deep divide is opening up in office markets around the world, as tenants compete for space in prime buildings while other properties face falling rents, low occupancy and financing pressures. The divergence reflects a global flight to quality, but also a disconnect betw