1. Odours are also essential cues in social bonding. 气味也是社会联系的基本线索。
2. Odours affect us on a physical, psychological and social level. 气味在身体、心理和社会层面都影响着我们。
3. Nor can odours be recorded: there is no effective way to either capture or store them over time. 气味也不能被记录下来：没有有效的方法能够捕捉或储存它们。
4. Odours, unlike colours, for instance, cannot be named in many languages because the specific vocabulary simply doesn't exist. 例如，与颜色不同的是，气味在许多语言文字中都无法命名，因为特定的词汇根本不存在。
5. Our noses are able to recognise thousands of smells, and to perceive odours which are present only in extremely small quantities. "我们的鼻子能够识别成千上万种气味，也可以感知那些极其微量的气味。
