The result is that mechanisms to ensure quality are weak or nonexistent.
其结果是，保证质量的机构很脆弱甚至形同虚设。
The most adroit hand gesture in the world will not save you if your message is weak or nonexistent.
如果你要表达的信号太弱或者没有意义，就算用上世上最熟练的手部动作也帮不了你。
She also notes that the study's link between fruit-drink consumption and type 2 diabetes "is very weak or nonexistent."
同时她也注意到研究中水果饮料消费与二型糖尿病直接的联系非常少或者是无关。
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