【JOY】評論
once for all 一勞永逸
【emily7239】評論
答案不是B嗎
【業精於勤，事立於豫】評論
What are the requirements of a good learners' dictionary?(對學習者有幫助的字典所需的必要條件是什麼？)__41__ , it should include the right information, the information should be easy to find and — once __42__ — it should be easy to understand and easy to use. (簡單來說，它應該包含正確的資訊，這些資訊應該讓人容易找到，一旦找到資訊，它也應該容易理解和使用。)42.(A) found 找到。是 once it was found 的省略句型，減化為 once found。(B) for all → [片語] once for all 一勞永逸。(C) made 做到。(D) again 再次。