算计: to reckon, to calculate, to plan, to expect, to scheme...
坐下: to sit down...
巨头: tycoon, magnate, big player (including company, country, school etc), big shot...
宝贝: treasured object, treasure, darling, baby, cowry, good-for-nothing or queer character...
建筑物: building, structure, edifice...
摆放: to set up, to arrange, to lay out...
来信: incoming letter, to send us a letter...