Blind children tend to be more passive in this area of motor development than sighted children.
失明的孩子在动作发展这一方面往往比不失明的孩子更加被动。
Each blind student was paired with a sighted student.
每个盲人学员都配了一个有视力的学员。
I think we're being very short-sighted in not exploiting our own coal.
我想我们不开采利用自己的煤矿实在是目光短浅。