Time consuming, his mailings are a great monetary burden as well. Two years ago when the cost of mailing printed materials increased from NT $ 1.5 to NT $ 3.5, his costs per mailing became four to five thousand NT dollars. The costs are substantial even on a dentist's income.
二年前印刷信的郵資由新台幣一塊五毛，漲到三塊五毛時，他的投書光是郵資就要四、五千元，牙醫師收入雖然不錯，但算算成本還是很高的。