在北美，南美以及其他一些地方生产的精子和克隆动物胚胎，其在国际范围内的交易已经无法加以有效监管。
The international trade in semen and embryos from cloned animals created in north and south America and beyond was effectively impossible to police.
那就是在国际范围内，对所有的临床试验采取强制性的注册制度。
But there is also a more elegant one, which is arguably even more important: a compulsory international trials register.
并非所有新的疾病都是高致命性的，接触传染的，能够在国际范围蔓延，引发人们的恐慌。
Not all new diseases are highly lethal, contagious, and able to spread internationally, inciting panic as they do.
应用推荐