Oliver Metcalf, a conservation biologist at Manchester Metropolitan University, has studied the small bird that makes the noise-the hihi.

曼彻斯特城市大学的保护生物学家奥利弗·梅特卡夫研究了制造这种噪音的小鸟——hihi鸟。

Kirsty Elliott-Sale, a professor at Manchester Metropolitan University, in Britain, thinks there is, as yet, no conclusive scientific evidence to back phase-based training.

英国曼彻斯特城市大学教授柯斯蒂·埃利奥特-赛尔认为，到目前为止，还没有确凿的科学证据支持分阶段训练。

Dr Amna Khan, senior lecturer in consumer behaviours and retail at Manchester Metropolitan University, said 'it's now become trendy to wear second-hand' and it's no longer 'a case of only buying it if you can't afford anything else'.

曼彻斯特大都会大学消费者行为和零售学高级讲师阿姆纳·汗博士表示，“现在穿二手衣服已经成为一种时尚”，不再是“如果你买不起其他东西，才会买它”。