Lǎozìhào refers to the old and famous shops, which have always been reliable and trustworthy and still enjoy irreplaceable position in people's minds since long time. Not only do they represent high quality and good reputation, they have also become an indispensable part in (people) daily life.
These famous and time-honored shops eg, Quanjude and Tongrentang, (locate) in Qianmen, the center of Beijing, all have represented the highly developed (commerce) culture of old Beijing.
But these shops are more about businesses; they are also a historical and cultural phenomenon. He has never tasted a roast duck will regret his whole life--such common sayings have made Quanjude a (represent) of Beijing. Many other similar two-part allegorical sayings among the folks have also (vivid) revealed the very characteristics of these old shops.
Nowadays, with the rapid development of economy and fierce competition in modern society, some Lǎozìhào shops have been keeping pace the times and carrying forward their brands through continuous reforms and innovations. That's why they (stand) the test of time and survived in competition, while some others have faded into the history due to their inability (adapt) to the rapid changes in modern social life.
