The author said Singapore is more understated than Dubai.PPAMPicture/Getty Images; TomasSereda/Getty ImagesAlessandro Palombo has lived in Dubai and launched two businesses in Singapore.He said people in Dubai often display their wealth, while Singapore has billionaires in flip-flops.The lifestyle in Dubai can be transient. Meanwhile, Singapore can feel small, he said.This as-told-to essay is based on a transcribed conversation with Alessandro Palombo, 36, an entrepreneur based in Lisbon, about doing business in Dubai and Singapore.