r or not opportunity costs exist; it's a matter of whether they are worth it.Economics is cold and detached by nature, but sometimes I feel that economics, which transcends value judgments, can be mor...轉碼失敗！請您使用右上換源切換源站閱讀或者直接前往源網站進行閱讀！antly, making him unsure of how to proceed. Yet, he stubbornly refused to admit defeat, which had left his self-esteem bruised after being rejected by a pure-hearted boy. To pursue such a girl meant e...