71. begin with以…开始。 to begin with (=first of all)首先，第一(经常用于开始语)

　　72. on behalf of (=as the representative of)以…名义

　　73. believe in(=have faith or trust in; consider sth./sb. to be true)相信，依赖，信仰。

　　74. benefit (from)受益，得到好处。

　　75. for the benefit of为了…的利益(好处)

　　76. for the better好转

　　77. get the better of (=defeat sb.)打败，胜过。

　　78. by birth在出生上，论出身，按血统at birth在出生时; give birth to出生

　　79. blame sb. for sth.因…责备某人。 blame sth. on sb.把…推在某人身上

　　80. in blossom开花(指树木) be in blossom开花(强调状态) come into blossom开花(强调动