"As a result, some people believe that e-cigarettes are a safe substitute for conventional cigarettes," said Prue Talbot, the director of UC Riverside's Stem Cell Center, whose lab led the research.

加利佛尼亚大学干细胞研究中心主管，他的实验室正在进行此项研究。他说：“正因为如此，许多人认为电子烟是安全的，完全可以替代传统香烟。”

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Following the knowledge property to substitute for the tangible property to become the social center property gradually, the conflicts between intellectual rights are becoming strong day by day.

伴随着知识财产逐渐取代有形财产成为社会财产的重心，知识产权权利冲突现象日渐彰显。

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The England midfielder lit up the Home Depot Center on Saturday when he finally came on as a substitute for the Galaxy in an exhibition match against Chelsea.

在上周六银河队与切尔西队的友谊赛中，这位最终以替补出阵的英格兰中场引爆家得堡体育中心。

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