source: [word=□] □
destination: [word=occasional] □
spec: Little else in the scene moved , with the exception of the occasional plane , train , or extraterrestrial vehicle , which more or less slid across the screen . For most school children , history is commonly presented through textbooks complemented by the occasional photograph , film , or other forms of historical evidence . We will have occasional vocabulary , morphology , and grammar quizzes , and tests after every three or four chapters . There are two intakes per year : February and July . '' It 's an experimental challenge , `` Fermilab theorist Joe Lykken says with a wry grin . Between a quarter and a third of these members change careers and leave the industry when they are displaced . Admittedly , with Enron , WorldCom , Global Crossing , Adelphia Communications , and on and on , a good measure of schadenfreude is in order . They can do this if the comparison is between credit that meets the same needs or is intended for the same purpose . You see the peculiarity of the Greek contingent : they have grace and beauty and artistic workmanship , but they are all marble or bronze - - the most costly of them only ivory with just an occasional gleam of gold , the merest surface-plating ; and even those are wood inside , harbouring whole colonies of mice . If you know you 'll be dealing only with good mailers , or you're willing to deal with the occasional problem by hand , you can do whatever you want . Still others have achieved one set of goals and are at a loss as to what to do next .