要發表有價值的見解，也許應該讀讀原文？

所有跟帖： 

• The vaccine was significantly more effective … if they had not b -ephd- ♂ (258 bytes) () 12/01/2015 postreply 14:18:31

• 這句話說明接種是有效的。至於如何提高效果，是另外的問題。 -吃與活- ♂ (0 bytes) () 12/01/2015 postreply 14:30:25