When you mention it, we are "victims" of East Asian economic accomplishments. Because the currencies of Japan, Taiwan, and Korea have all appreciated against the U.S. dollar, book prices have risen correspondingly. Japanese books are especially expensive.
說起來我們還是東亞經濟成就的「受害者」，由於日本、中華民國台灣、南韓等國貨幣對美元升值，書價也相形水漲船高，其中日本著書尤其貴。