start 
兩個意思: going or start in motion
“發動”
如:start the engine發動引擎 Start the computer開電腦(天天要用的 咯:-)
2、connected with starting a new business
“開廠子開公司之類的”
如:start up a nursery 開託兒所started up a new business開辦了新業務
Setup
1、take the first setupp or steps in carrying out an action
“第一次開始進行某事”
如:He started out to write a novel.他開始着手些一部小 説.