保命句式及词汇:

    * A对B有好处

      A benefit B/A is beneficial to B/A brings benefits to B/A does a good job to B

    * A对B 有坏处

      A harm B/A is harmful to B/A brings harms to B/A is detrimental to B

    * A 在…发挥了…作用

      A plays/fills a(an) important/vital/crucial (重要的)

                       a(an) key/leading(关键/首屈一指的)

                       an educational (教育的)  role/part(作用)in…

    * A 在…产生了…的影响

      A have/exert/produce/impose(产生) positive/active/profound/far-reaching (积极

       的/深远的)/negative/adverse/baneful(消极的/负面的) Effects/influences/impacts

      (影响) on …

    * It is …

     It is important/vital/crucial/pivotal/essential(… 很重要)

     It is clear/evident/obvious/manifest/as clear as crystal （… 很明显）

     It is undoubted/undeniable/doubtless （… 无庸质疑）

     It is a common sense/practice( 这是个常识)

     It is well/increasingly/widely known/recognized/accepted/acknowledged (众所周知)

     It is conceivable that

     It is desirable/admirable that

     It is probable that

    *  方便：

       Convenient  convenience

    *  效率

      Efficient  efficiently   efficiency

    * 节省和浪费

     节省：save time/money/space  economical   thrift  thrifty  frugal  frugality

     浪费：waste time/money/space  costly  time-consuming  lavish

    *  陶冶情操

     好的性格：independent   independence independently  cooperative  cooperate

               cooperation  compete  competitive  competition  team work

               considerate    confident  confidence  confidently  ambition

               ambitious  individuality  creativity  creative  tolerate  tolerant