【句型5】It is hard for us to realize nowadays how difficult it was for the pioneers. (Lesson 3)
【譯文】如今我們很難理解登山先驅者昔日是多么艱苦。
【講解】it是形式主語，to realize nowadays how difficult it was for the pioneers是真正的主語。
【譯文】如今我們很難理解登山先驅者昔日是多么艱苦。
【講解】it是形式主語，to realize nowadays how difficult it was for the pioneers是真正的主語。