25311.as far as I know (私の知る限りでは）spoken used to say that you think that something is true, although it is possible that you do not know all the facts or cannot remember completely
I might be wrong but as far as I know, that restaurant closed down a month ago.
25312.serve the need of(~のニーズに応える）
This clinic has been serving the need of its community for 30 years.
25313.apparently(~らしい ）used to say that you have heard that something is true, although you are not completely sure about it
Apparently he cheated on his wife. .
25314.in the span of（~の期間に）
He has written three books in the span of five years.
25315.perk(特典、手当）something that you get legally from your work in addition to your wages, such as goods, meals, or a car
They're raising pay rates and offering perks like profit-sharing and paid time off for part-time associates.
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