(v) extend in scope or range or area, Syn. extend, broaden, Example:The law was extended to all citizens; widen the range of applications; broaden your horizon; Extend your backyard
[开源节流 / 開源節流, kāi yuán jié liúㄎㄞ ㄩㄢˊ ㄐㄧㄝˊ ㄌㄧㄡˊ] lit. to open a water source and reduce outflow (成语 saw); to increase income and save on spending; to broaden the sources of income and economize on expenditure#55011
[ひじちょうもく, hijichoumoku] (exp) sharp eyes and ears used for collecting information far and wide; having the acumen and shrewd discernment gained by widely-collected information; being well-versed on a subject; books which broaden our knowledge