差不多: almost, nearly, more or less, about the same, good enough, not bad...
信号: signal...
同情: to sympathize with, sympathy...
老师: teacher...
发掘: to excavate, to explore, to unearth, to tap into...
创立: to establish, to set up, to found...
轻易: easily, lightly, rashly...
等到: to wait until, by the time when (sth is ready etc)...
传言: rumor, hearsay...
根源: origin, root (cause)...
