투자investment 투표vote; ballot; poll 투고unsolicited submission; unsolicited contribution 투고란reader’s column page 투구throwing a ball; pitching; thrown ball 투기speculation 투기성being speculative 투매sacrifice sale; dumping 투사shooting; throwing 투사기projector

방충망screen; mosquito net 첩보망intelligence network 총망라full inclusion; full coverage 통신망news-gathering network 판매망sales network 포위망encircling net; iron ring 감시망surveillance system; surveillance network 검거망dragnet 공급망supply chain 교통망transportation network