These packages might contain stolen goods or illegal substances.

这些包裹有可能是偷来的赃物或非法的物品。

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"No drug is completely safe, and that includes medical drugs as well as illegal substances," he said.

他说：“没有百分之百安全的药，包括医疗药物和非法药物。”

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They insist that “no man-made hormones or any illegal substances were added during the production of the milk powder.”

他们没有在生产过程中添加任何人造激素或非法的物质。

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As a result team leader David Millar admitted to taking illegal substances and was handed a two-year ban.

BBC: SPORT | Other Sport... | Cycling | Cofidis, le Credit par Telephone

Australian sport was also stunned by a government report which alleged many athletes were using illegal substances supplied by organized criminal groups.

CNN: Tennis serves up new measures in the fight against doping

The widespread use of urine-testing in employment to see whether people may have been using illegal substances violates the rights of many innocent people.

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