146. A precise definition of poverty is actually very difficult to determine . Where does one draw the line between those who are poor and those who are not ?
    對貧困的精確定義實際上是很難的。如何在貧窮和非貧窮的人之間劃一條界限呢？
    147. Admittedly , bribery and corruption are endemic to our political and economic systems , but it doesn't necessarily follow that all politicians and business people resort to illicit behavior .
    誠然，賄賂和腐敗在我們的政治和經(jīng)濟系統(tǒng)中很流行，但這并不是說所有的政府官員和商界人士都采取違法行為。
    148. There's little doubt that a third World War is avoidable , but it is highly unlikely that regional conflicts will disappear in the foreseeable future .
    毫無疑問，第三次世界大戰(zhàn)是可以避免的，但是，在可預見的將來地區(qū)沖突消失是非常不可能的。
    149. Some people assume that investing in stock is a safe pursuit , but their assumption fails to hold water when considering the substantial risk involved .
    有的人想當然地認為投資股票是有把握的事情，但是，考慮到涉及的巨大風險，他們的想當然就說不通了。
    150. Some people have called for accelerated across-the-board changes . Their approach quite frankly ignores the need for gradual but effective changes .
    一些人要求更快速的全盤改變。他們的做法的確忽略了漸進而有效的改變的必要性。