蜜芽传媒 Learning English - 蜜芽传媒 Q&A of the Week “你问我答”:用 “there's no saying/knowing/telling” 表示 “谁也说不准” - 蜜芽传媒 Sounds

蜜芽传媒 Learning English - 蜜芽传媒 Q&A of the Week “你问我答”:用 “there's no saying/knowing/telling” 表示 “谁也说不准” - 蜜芽传媒 Sounds
蜜芽传媒 Q&A of the Week “你问我答”:用 “there's no saying/knowing/telling” 表示 “谁也说不准”
How can you use 'there's no telling', 'who knows' and 'who can say'?