Much has been written about how the relationship between scientists and the media can shape the efficienttransmission of scientific advances to the public.
关于科学家和媒体之间的关系能够如何影响科技进步在公众中的有效传播，已经有很多著述。
2
Flu has a devilishly efficienttransmission mechanism.
流感有非常有效的传播机制。
3
All prerequisites for the start of a pandemic have therefore been met save one: the establishment of efficient and sustained human-to-human transmission of the virus.