《每日英语第77期》英汉互译：（2011年5月7日）

only through economic boost,our nation can become stronger.
We should be careful of environment protection while developing economic.
4 Z! m3 C, S/ N' ?1 r) e, nAll the thing, no matter gas fluid or solid, was made up of
( p7 i" M1 n+ t8 ^3 Z9 ~8 i- jThe ratio of male and female reached 5:1 in our school
  f  k# c3 W0 a- s- j# tNowadays,both male and female spend too much energy to work,so ignore and even hurt their family.
随着人类社会的发展，在美国很多社会的习惯好像求爱期，结婚，组织家庭从20世纪40年代开始就发生了戏剧性的变化，并持续到今天。