six months' trainning 还是 six months of training

小娇娇宝宝

到底应该是 six months of advanced training 还是 six months' advanced training?

rualantonio

3 I1 W' \1 |# j3 F0 N
理论上二者即可，前者是用所有格表示领属关系，后者是用介词来表达。

Mandolin

以下表达都可以：

+ \. V  q9 ?% a7 Y+ v( R/ w" S1. soldiers must first pass a six-month advanced training
, e2 H" U" V6 r. \5 D- s7 a9 U2. soldiers must first pass a six months' advanced training
+ D  ~( X/ ^; v+ W/ G- y1 {3. soldiers must first pass six months of advanced training

渔夫和妖怪

six months of advanced training,，中心词是six months，强调时间（长）；
5 u% h% Q5 t7 v0 |
# R6 N0 M3 u! L. a# asix months' advanced training，中心词是training，强调训练这一阶段（经过这一阶段后方可……）。

以上属个人理解。