IFL

例句：

1. 1. I'm afraid I can't find the information you need.
   恐怕我找不到你需要的信息。
2. 2. If you could help me, I would be very grateful.
   如果你能帮我，我会非常感激的。
3. 3. If you have any questions, feel free to ask me.
   如果你有任何问题，请随时问我。