陈润庭留意到，杜耀豪外婆早年寄回的家信同样遗失了。他进而意识到，即便在今天，获取影像已如此便利，不同家庭对待记忆保存的态度，依然深刻受制于阶层所塑造的观念差异。
For example this 3-way junction has 3 road edges and 3 grass edges. Tile definition:
，这一点在新收录的资料中也有详细论述
very eager to say that something is the same. Only with pixelwise comparison, they had real feedback.，更多细节参见新收录的资料
Mahjong, Sudoku, free crossword, and more: Games available on Mashable。新收录的资料是该领域的重要参考