do sth. with a purpose是什么意思？

• cloud
• narrow
• 造型的英文
• general
• repeat
• giraffe
• neck
• failure
• passage
• mind
• chess翻译
• front
• organizations
• 方案英语
• predict
• monitor
• crayon
• lesson
• 解决方案英文
• emergency
• default
• pear
• algiers
• approaches
• general
• 队长的英文
• panicked
• tourist
• modernize
• scared

• aspect
• ticket
• explore
• conflict
• bothering
• dragon
• 参数英文
• 领域英语
• erased
• passage
• 局外人英文
• droplets
• reveal
• lycopene
• 权限英文
• PEGGING
• profile
• searches
• bombarded
• satisfaction
• 来源英语
• intermission
• client
• maths
• disappointed
• vehicle
• autumn
• text
• 确认英文
• firmness

• counting frame
• delinquent and slack
• tenure of office
• mut
• phyllomophore
• settle up
• trouts
• run around
• term of service
• charge mixture
• rete
• dehairing machine
• slows down
• gross income
• State of reference
• Make a pair
• Infinite number
• plan in advance
• dead house
• On the pot
• study carefully
• marine foreland
• be confident
• timerpass
• place on the market