B ： If the food is delicious, I can't think out what is imperfect.
B ： If the food is delicious, I can't think out what is imperfect.
（如果食物很可口的话，我想不出有什么不足的了。）
B ： If the food is delicious, I can't think out what is imperfect.
（如果食物很可口的话，我想不出有什么不足的了。）