<prompt> Translate the following text to EnglishKwa urefu wa kilomita 12, ni ziwa la pili kwa ukubwa baada ya Windermere, lakini haina maendeleo ya kibiashara ya ndugu yake mkubwa na ni chini ya shughuli nyingi.  <response>: At 12 km 71.2 miles in length, it is the second-largest lake after Windermere, but it does not have the commercial development of its big brother and is far less busy. 