Associate Professor Liu is not optimistic about producing high-technology transdermal patches through scientific analysis of Chinese pharmaceutical constituents. It is "very difficult," he says, to advance the level of analysis by even the slightest degree.
劉副教授對把中藥成分經科學分析製成高科技的貼劑並不表樂觀，「很難」，他說單分析這一步，就幾乎走不通了。