Mashable:
A bunch of mathematics PhD holders recently experienced a humbling moment after a prodigy stepped in to almost effortlessly solve a problem that they'd been struggling with for months.
生词短语:
humbling
使谦逊的
prodigy
(年轻的)天才,奇才
step in
干预,插手(棘手问题)
effortlessly
毫不费力地