In such a crowded land, a tradition of eating everything with very little waste could be seen as commendable thrift.
在这样拥挤的地方，用很少的消耗遍吃百物的传统，可能被看做值得称赞的节俭。
The problem is that there are so many people eating wild food in south China, that the illegal supply chain stretches well beyond its borders, contributing to the disappearance of wildlife not only within China, but from other countries, too.
问题是中国南方有这么多人在食用野生动物，非法食物供应链一直延伸并超越了国界，使得野生动物消失，不仅在中国境内，而且也包括其他国家。
A visit to a traditional Chinese medicine shop reveals another aspect of the use of animals and plants. Dr. So has been practising for over 20 years. The most important part of his diagnosis is the pulse, examined in several places. Dr. So also observes the colour of the tongue and eyes, and asks questions about the patient's taste, smell and even dreams.
拜访一家中药店会发现动植物另一方面的作用。宋医生行医20多年了。他最重要的诊断方法是在不同部位号脉。宋医生也观察舌头和眼睛的颜色，并询问病人的味觉嗅觉甚至是梦。

重点讲解：

1. see as

认为；把…看作；

eg. Others saw it as a betrayal.

别人认为这是一种背叛。

eg. The status quo is seen as untenable.

维持其现状的观点看来是站不住脚的。

2. contribute to

促成；促使；是导致…的原因之一；

eg. The report says design faults in both the vessels contributed to the tragedy.

报告说两艘船存在的设计缺陷也促成了这场悲剧的发生。

eg. A poor business plan and weak sales contribute to the closure of the company.

差劲的经营规划与业绩不佳导致那家公司倒闭。