This "churn" in the market is part of what makes people uncomfortable about lower trade barriers, because it may cause difficult adjustments for some workers or companies.

这一市场上“搅和”成为一些人对于低贸易壁垒感到不舒服的一部分原因。因为这可能引起一些工作者和公司的艰难调整。

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There are known issues with browsers and proxies that may cause a mismatch in what the browser expects and what it receives with regard to compressed content.

存在一些已知浏览器和可能会在浏览器的期望和它在压缩内容方面的收到中造成的不匹配的代理的问题。

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Clinical trials generally do tell a good deal about how well a medicine works for a defined disease and what potential harm it may cause.

通常，临床试验确实能够提供大量信息说明一种药物对某种已确定疾病的效力如何，以及可能引起何种伤害。

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It is too early to say what the cause of the fire may be.

BBC: Fire on Rotherwas Industrial Estate

Researchers aren't clear what the precise role of HHV-8 may be, though it appears that it may cause malfunctioning immune system cells to reproduce rapidly.

CNN: Castleman disease