You know the proverb, Smile and the world smiles with you, cry and you cry alone.
要知道有句格言“微笑,世界与你同欢乐;哭泣,你只能独自悲伤”。
People travelling long distances frequently have to decide whether they would prefer to go by land, sea, or air.
出远门的人常常需要决定是走旱路、水路,还是坐飞机。