Thee prank has not caused lasting damage to the sign, however, as parts of both "O" letters were covered by tarpaulins to make them look like a lower-case letter "E".
但是这一恶作剧并没有造成太久的损害，因为两个字母“o”只是被防水帆布遮了起来，从而使得它们看起来像小写的“e”。 。
Some Web sites require passwords with numbers and letters, others require numbers, letters and special characters, and still others require a capital letter, a lower-case letter and then a number.
一些网站的密码由数字和字母组成，另一些必须是数字、字母和特殊符号的组合，还有一些必须有一个大写字母，小写字母和数字组成。
Most variables and functions should start with a lower case letter.
大多数变量和函数应以小写字母开头。
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