The existence of marginal group has actually become a social problem.

当前边缘群体的存在实际上已成了一个社会问题。

youdao

The marginal rate of substitution of goods and the existence theorem of the optimal solution is to introduce some of the previous extension of the theory.

商品的边际替代率和最优解存在定理的介绍则是对前面理论部分的延伸。

youdao

A marginal narrative style is embodied in the creation of eastern and western novels and at back of incredible plot is the essence of the difficult position of human existence.

东西小说创作体现出一种边缘化的叙事姿态，故事荒诞化的背后实际上是对人类生存困境和存在本质的关注。

youdao

It's a marginal existence, pursued exclusively by those with a passion for islands.

BBC: Sailing in Croatia

We will lose distributions, as they'll be either completely eliminated or pushed into marginal existence by the roaring success of one or two players.

CNN: The future of Linux

Four billion people worldwide lie squarely at the bottom of the economic pyramid, eking out a marginal existence of about three dollars per day.

FORBES: Creating Entrepreneurs at the Bottom of the Economic Pyramid