目的：探讨食管癌组织中胸苷磷酸化酶(TP)的表达情况及意义。
Aim: To explore the expression of thymidine phosphorylase (TP) in esophageal carcinoma tissue and its significance.
术中胸导管预防结扎不能有效降低乳糜胸发生率，因此不主张常规预防结扎胸导管。
Preventive ligation of thoracic duct in operation does not decrease chylothorax incidence and therefore routine ligation of thoracic duct is not recommended.
在现实中，尽管盖茨的头发总是乱糟糟的，又长着张娃娃脸，不修边幅，他可是个老练的生意人，每走一步都成竹在胸。
In reality, Gates is a smooth operator who, despite his uncombed hair, baby face and disheveled appearance, knew exactly what he was doing every step of the way.
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