短语词组短語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 因爲如果你真Even If Reluctantly So 即使勉強有if parties so agree 如果儅事人約定If You So Choose 如果你這麽做If You So Wish 如果你願意話If By So Doing 衹有這樣 返回 if so