Commuters have consistently demonstrated graciousness to the elderly or expectant mothers on public transport," said Deputy Group Director (Public Transport) at LTA Priscilla Chan.　

"However, there is another group of commuters whose conditions are often hidden and yet they need seats just as much.

Read more at https://www.channelnewsasia.com/news/singapore/lta-new-stickers-give-up-seat-mrt-bus-medical-conditions-11958406

这个估计国会也会吵。