在没有捕食者的情况下，那些在食物、庇护所、巢穴据点和其他环境资源方面最具竞争力的物种往往会占据主导地位，并拒绝接纳那些与之竞争的物种。
Without predators, the species that is the best competitor for food, shelter, nesting sites, and other environmental resources tends to dominate and exclude the species with which it competes.
其他居民说森林为他们提供了生计，食物，庇护所，和医药。
Other residents say the forest provides a livelihood, food, shelter, and medicine.
人们的生计依赖各种食物、庇护所和物品。
People rely on the variety of food, shelter, and goods for their livelihood.
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