thin margin

例句：

1. 1. The thin margin between success and failureis often the difference between life and death.
   成功与失败之间的微小差距往往是生死之间的区别。
2. 2. The company's thin margins make it difficult to sustain profitabilityin the long term.
   公司的微薄利润使得在长期内保持盈利能力变得困难。
3. 3.The thin margin of survival for many smallbusinesses makes them vulnerable to economic downturns.
   许多小企业的存续边缘使其对经济衰退极为脆弱。