洛杉矶穷人的境况仍未得到改善。Conditions for the poor in Los Angeles have not improved.一定有很多人处在我这种境况。There must be any number of people in my position.看到这些人的生活境况，我深受触动。It has touched me deeply to see how these people live....
...a sea of multicoloured umbrellas.五颜六色的伞的海洋You can pleat palm fronds to make huts, umbrellas and baskets.人们可以把棕榈叶折叠起来盖棚屋, 制伞,编篮子.Umbrellas shade outdoor cafes along winding cobblestone streets.在曲折蜿蜒的鹅卵石街道的两边，一把把阳伞为露天咖啡...
Not everyone enjoys writing the software required for keyboard encoding.并不是人人都喜欢编写键盘所需的软件.Graphs offer a very general structure for the encoding of pictorial data.图提供了图片数据编码的十分一般的结构.Bacterial transposons carry genes enco...