a-gradeBNC¹⁷³⁹⁹⁵⁺² 基本例句 甲级 Then in 2009, MLS opened Shanghai Mart, a1,900 square meters A-grade commercial Building located in Hong Qiao, one of the most mature commercial districts in China. 2009年, MLS上海世贸商城开盘,这是一座位于虹桥中国最成熟的商业区之一的1900平方米的甲级商业大厦。 officebos