井: a well, neat, orderly...
背: carry on one's back, to be burdened, to carry on the back or shoulder, learn by heart, the back of the body...
劣势: inferior, disadvantaged...
购: to buy, to purchase...
当地: local...
藐视: to despise, to look down on...
叮嘱: to warn repeatedly, to urge, to exhort again and again...
师生: teachers and students...
意味着: to signify, to mean, to imply...
演变: to develop, to evolve, development, evolution...
