I'm most grateful to you for taking so much trouble to explain the best way of getting there.
你不厌其烦地给我解释去那里的最佳途径,我对些深表感激。
The most valuable find of all was the ship's log book, parts of which it was still possible to read.
打捞到的东西中最有价值的是船上的航海日志,其中有一部分仍然清晰可读。