促销: to promote sales...
举足轻重: to play a critical role (idiom), influential...
只有……才……: Only... Can......
写字楼: office building...
谈到: to refer to, to speak about, to talk about...
诸多: (used for abstract things) a good deal, a lot of...
中国: China...
喧闹: to make a noise, noisy...
电影院: cinema, movie theater...
废物: rubbish, waste material, useless person...
