参考答案:
Traditional Chinese medicine (TCM) includes a broad range of medicine practices sharing common basic concept which originated in ancient China and has :evolved over thousands of years. TCM diagnosis includes measuring the pulse,inspecting the tongue, skin, eyes and asking about the eating and sleeping habits of :the patient as well as many other things. TCM's complexity and underlying conceptual foundations present challenges for researchers seeking evidence on how it works. Most researches focus on specific treatment modalities, primarily I acupuncture and Chinese herbal remedies.