That underlined the difference between the relatives and those who live within the city where their loved ones died.
In his celebrated 2002 interview with Saddam Hussein, George Galloway, the Respect MP, underlined the difference between the "surprisingly diffident" person who had flattered him in Baghdad and the reputation of the "most demonised man on the planet".
Against this background, revelations about the nocturnal goings-on in Paris – the motorbike, the crash helmet, the croissants – seem only to underline the difference between the two sides of the Channel.
In particular, we have underlined the difference between the optical case (where photodetectors are available, and losses are negligible) and the microwave regime.
Moreover, we underline the difference between the concepts of treatment adherence and persistence, indicating that adherent patients may be non-persistent if they interrupt the treatment before the recommended period of five years.
He also underlines the difference between humans and some other social animals, writing: "What is so interesting about human prosociality is precisely that it is not of the 'eusocial' kind, which promotes sacrifices for the greater genetic good.
It underlines the difference between it and "multi-channel", where distance and bricks-and-mortar retailing do not overlap from a customer's perspective, even though a retailer operates in both fields.
Yannopoulos underlines the difference between one-off charities and infrastructure.
Fortuny says that, "... wearing long skirts does not negate the meaning of being a woman and, although it underlines the difference between men and women, [the Church's female members] say that it does not make them feel like inferior human beings".
