to study or investigate something deeply
何かを深く調べること (nanika o fukaku shiraberu koto)
"You need to look into research materials before writing your paper."
"論文を書く前に研究資料を調べる必要があります。" (Ronbun o kaku mae ni kenkyū shiryo o shiraberu hitsuyō ga arimasu.)
to reduce differences and improve understanding among people...
to reply or contact someone again after a while
to follow up with someone once something has happened
to write down important information while studying
to work or cooperate across national or traditional limits
to recline or rest in a relaxed position
