一种革命性的不粘口香糖可能会为英国节省1.5亿英镑的清洁费用。在与英国地方部门合作进行的街道测试结束后，这种口香糖有望于明年上市。
A revolutionary non-stick chewing gum , which could help save the nation 150m in clean-up costs , is set to go on sale next year after completing street trials with UK local councils .
合作街道