Tokyo - electronics giant sony and another japanese company have developed a " paper disc " that can record more than two hours of high - definition images and be destroyed with scissors for foolproof data security , officials said 中文大意电子业巨头索尼和日本toppan印刷公司联合研发了一种“纸制dvd光盘” ，可以录制长达两个多小时的高清晰度图像，并可以用剪子轻易销毁，因而更能保证数据的安全。
To come then by the just degrees , to the particulars of this part of my story ; you may suppose , that having now lived almost four years in the brasils , and beginning to thrive and prosper very well upon my plantation ; i had not only learn d the language , but had contracted acquaintance and friendship among my fellow - planters , as well as among the merchants at st . salvadore , which was our port ; and that in my discourses among them , i had frequently given them an account of my two voyages to the coast of guinea , the manner of trading with the negroes there , and how easy it was to purchase upon the coast , for trifles , such as beads , toys , knives , scissars , hatchets , bits of glass , and the like ; not only gold dust , guinea grains , elephants teeth , c 我说的城里，就是我在巴西登陆的港口城市圣萨尔瓦多。我与他们交谈时，经常谈到我去几内亚沿岸的两次航行，告诉他们与黑人做生意的情况。我对他们说，与黑人做生意真太容易了，只要用一些杂七杂八的货物，什么假珠子啦，玩具啦，刀子剪子啦，斧头啦，以及玻璃制品之类的东西，就可换来金沙几内亚香料及象牙之类贵重物品，还可换来黑奴。
