With ruthless US and Japanese investment banks circling Tuftons, a struggling two-hundred-year-old, family-run British bank, can its bumbling, incompetent chairman, Sir Charles Bunbury, fend off the onslaught and save the bank?这次他(tā )主要的探测范围是在领地外(wà(✍)i )，五十公(⬇)里(lǐ )的范围。