美国疾病防制中心的昆虫学者贝尼狄克特指出，法规的不确定性并不一定会引起担忧。
Regulatory uncertainties are not necessarily a cause for alarm, points out mark Benedict, an entomologist at the centers for disease control and prevention.
美国疾病防制中心的昆虫学者贝尼狄克特指出，法规的不确定性并不一定会引起担忧。
Regulatory uncertainties are not necessarily a cause for alarm, points out mark Benedict, an entomologist at the centers for disease control and prevention.
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