您要查找的是不是：
- They hold only one piece of data: a string, a number, the undefined value, a reference to another variable. 它只保存一段数据:一个字符串、一个数字、未定义的值以及对另一个变量的引用。
- Can't use an undefined value as an ARRAY reference at /usr/local/lib/perl5/site_perl/5.8.8/IPC/Shareable.pm line 446. 在使用这个数组之前必须要进行赋值才可以操作。这是为什么？
- NOTE:Although index 0(即：SHN_UNDEF) is reserved as the undefined value, the section header table (still) contains an entry for index 0. 注意:虽然索引0保留作为未定义的值，section报头表仍会为索引0保留一个表项。
- Uninitialized local variables of built-in type have undefined values. 对于未初始化的内置类型局部变量，其初值不确定。
- Objects defined at global scope are initialized to 0;those defined at local scope are uninitialized and have undefined values. 定义在全局作用域的对象初始化为0，而定义在局部作用域的对象则未初始化，拥有未定义值。
- Common faults picked up by these pragmas are ambiguous references and de-references, use of undefined values, and some help identifying typos for unused or undefined functions. 这些标记引起的常见错误是:不正确的引用和取消引用,使用未定义的值,以及帮助判断输入错误,例如未使用的值或未定义的函数。
- A little crack detracts from the value of the vase. 小小的裂痕减损那个花瓶的价值。
- I set a high value on his advice. 我认为他的忠告很有价值。
- The value of your assistance is inestimable. 阁下鼎立相助之功不可胜言。
- I am doubtful about the value of your proposal. 我怀疑你的提议是否有价值。
- I can take nothing you say at face value. 我不会把你说的话当真的。
- The experience gained will be of great value to us. 所取得的经验对我们有很大价值。
- A bauble is a showy ornament of little value. 廉价珠宝是华而不实的装饰品。
- Stamps can be redeemed at face value. 印花可以按面值换回现金。
- He puts a high value on integrity. 他对正直的评价很高。
- The goods were bid up far beyond their real value. 这些货物的价格被炒得远远超过了它们的实际价值。
- Last year's exports exceeded imports in value. 去年的出口价值超过进口。
- Stocks generally lowered in value. 股票普遍下跌。
- The table d'hote menu offers good value. 定餐菜单上列出的都很实惠。
- A sort of undefined longing crept upon them. 有一种说不出名目的渴望使他们心里发痒。
