be travel on official business是什么意思？

• autumn
• amazing
• vehicle
• profile
• searches
• passage
• scared
• ticket
• 权限英文
• rice
• fiercely
• 分配英文
• erased
• intermission
• 队长的英文
• polite
• saturday
• 缺陷英文
• narrow
• tomato
• conflict
• fake
• general
• firmness
• 来源英语
• giraffe
• sweater
• pear
• neck
• 纪念品英语

• satisfaction
• 参数英文
• BARRIE
• giraffe
• front
• 方案英语
• peeping
• lesson
• 旋律的英文
• volume
• begins
• lake
• committing
• algiers
• droplets
• client
• approaches
• supper
• reveal
• 流浪者英文
• modernize
• 领域英语
• maths
• 呼吁英语
• theatre
• panicked
• dragon
• banger
• 局外人英文
• predict

• lack adornment
• nonconductor
• engine room
• tagger
• acetylene series
• ash removal
• clamping band
• oleander
• Small bite
• cable guide
• tunnies
• be a good traveller
• Manchu people
• as far as possible
• aminopropionic
• Knee blanket
• exceedingly good
• engroove
• preconceptions
• bleak and desolate
• exceedinglygood