Money spent on the brain is never spent in vain.

Money spent on the brain is never spent in vain.〈谚语〉用在教育上的钱决不是虚掷。The parents decide to send all their children to the university because they know that money spent on the brain is never spent in vain.父母决定叫他们所有的孩子们都上大学，因为他们知道，用在教育上的钱决不是虚掷。

• have someone safe
• dearly
• yucky
• autoconvection gradient
• braciole
• immitigably
• line of tunnel
• hyperpigmentations
• avenses
• be under the plough
• natural arch
• authorizations
• O'er
• rotational inertia
• air pirates
• hematoporphyrins
• micromeres
• Imagegram
• reenforces
• overknee
• in-calves
• gentlemen's agreement
• pyromaniacal
• ridgey-dite
• cervid
• cast a vote / ballot
• the whole (kit and) caboodle
• go for a bathe
• perilled
• at（或 to）heel
• submarine chasers
• stereomicrography
• destructive interference
• bromo-
• blowdown
• handsprings
• dissentions
• single act
• bushbucks
• Elblag
• Docodonta
• no mean
• coaxest
• lay to rest
• busy Lizzie
• overweenings
• pavlovas
• emphatics
• supranaturalistic
• SSN
• solidarizing
• oprahfications
• falashas
• bird-tables
• inalienably
• carrom
• camerawomen
• Dippel's oil
• Australian football
• connubialities
• Tilletiaceae
• physisorptions
• layers and backers
• on tasting
• scope sth↔out
• be a (beautiful, strange, frightening etc) sight to behold
• PMA.
• spade work
• Tojo Hideki
• potassium borofluoride
• Chile saltpetre
• par.aff.
• straight face
• spot height
• stooly
• hind end
• domal
• blend/fade into the woodwork
• subversions
• ground 或grinded
• limnobiological
• peepees
• oleoresin
• extrusion defect
• breadbasket
• take a firm line/stand (on/against sth)
• free as the wind
• as fit as a fiddle
• whereunto
• nirvanic
• station control
• Wiesel, Torsten
• viscacha
• augmented operation code
• apofocus
• victimless
• fair-tradeds
• take captive
• estuarine
• Heterophile Antibodies