This means 同一档次，可以媲美 (having qualities or achievements that are similar to someone or something)

• He’s very good at his job, but he’s not in the same league as her.
  他工作做得很好，但比她差些。
• The new charity will be giving away $55 million a year, putting it in the same league as other well-known charities.
  新成立的慈善机构每年将捐赠5500万美元，与其他著名慈善机构并驾齐驱。
• She’s a brilliant golfer - I’m not in the same league.
  她是一个出色的高尔夫球手，我和她不是一个级别的。