短語詞組短語if they so choose 條件狀語從句If Or So 如果還如此If Really So 要真這樣話Because If You So 因?yàn)槿绻阏?/li>Even If Reluctantly So 即使勉強(qiáng)有if parties so agree 如果當(dāng)事人約定If You So Choose 如果你這么做If You So Wish 如果你愿意話If By So Doing 只有這樣 返回 if so