So the procedure processing the logic has an outermost check that will decide whether the rest of the body will execute or the procedure returns with no action taken.
因此，处理该逻辑的过程有一个最外层的检查，决定是执行主体的其余部分，还是不采取任何动作而返回。
For example, if marketing/sales people bear no responsibility or accountability for returns, there is no incentive to manage profitable sales.
例如，如果市场营销人员对退货没有承担责任与义务，那么就没有动机管理获利销售。
Or, if no appropriate database exists, the system creates a new one and always returns 0 (see Listing 1).
或者，如果相应的数据库不存在，系统将创建一个新数据库并始终返回0(参见清单1)。
It returns an X509 pointer to the certificate or NULL if no certificate was presented (see Listing 1).
它返回一个指向该证书的X509指针，如果证书不存在，就返回NULL(参见清单1)。
CONNECT_BY_ISCYCLE returns a small integer value that is set to either 0 (no cycle detected) or 1 (cycle detected).
CONNECT _ BY _ ISCYCLE返回一个设置为0(未检测到循环)或1(检测到循环)的小整数值。
WatchKey poll returns the next WatchKey that has had some of its events occur, or null if no registered events have happened.
如果有相关事件出现，WatchKeypoll会返回下一个WatchKey，或者没有注册的事件发生，会返回null。
It returns a null if no match is found, or if the source string is null or empty.
如果没有发现匹配项或源字符串是null或空，则返回null。
Furthermore, if the service isn't available (there isn't a database, or the database has been temporarily stopped), then this method returns null to indicate that no such service is available.
此外，如果服务不可用(数据库不存在，或数据库临时停掉了)，那么这个方法会返回null以说明该服务不可用。
It presents a question, prompts for either a yes or no response, and returns either 0 or 1 in $? depending on whether the user selected "Yes" or "No," respectively.
它提出一个问题，提示做出是或否的响应，并返回 $?
If readdir returns NULL and errno is 0 (sometimes called EOK or ENOERROR), there are no more directory entries.
如果readdir返回NULL，并且errno为0(有时也称为EOK或ENOERROR)，则表示没有其他的目录条目。
This function returns a pointer to the value in the environment or NULL if there is no match.
这个函数会返回一个 指向环境中的值的指针，或者如果不匹配则返回 NULL。
Most of the time, polling returns no data, or worse, data we've already seen and have to process again or identify as having already been processed.
在大多数时候，轮询不返回数据，更糟的是，会返回我们已经见过的数据，但又必须再次处理或标识为已经处理过。
Network airlines are, in America and much of the rich world, licences to lose money or make miserly returns-and AMR is certainly no exception.
在美国和大部分富裕国家，网络航空公司注定会做赔本买卖，甚至赔的一塌糊涂，AMR集团也毫不例外。
To sum up, No matterdoing good deeds should get returns or not, the most important thing is when others being in trouble, we should to help them without hesitate.
总而言之，不管是做好事有回报，或没有，最重要的是当被人陷入困境的时候，应该第一时间毫无犹豫的帮助他人。
Takes no argument. Returns the environment variable PATH (or the local platform's equivalent) as a list.
不接受参数。返回路径环境变量(或本地平台)作为一个列表。
The query syntax is object oriented and there is no concept of tables, indices, or other typical relational-database concepts. For example, the following query returns all StockBean objects in a list.
查询语法是面向对象的，并且没有了表、索引或其他典型的对象关系型数据库的概念。
Rewards must be physical, relevant to the project, and no equity or cash returns.
奖励是物质的，并且与项目相关，但是没有股权或者现金的汇报。
Note: This function returns FALSE on empty elements or elements with no value.
注意：如果元素的值为空或者该元素不存在，那么函数返回False 。
Focuses on obtaining returns with low or no correlation to both the equity and bond markets.
重点是低或没有获得相关无论对股票和债券市场的回报。
No matter how low the Fed funds or discount rates get, private savers around the world will simply refuse to lend given the inherent risks and paltry returns.
不管如何低，联邦基金利率或贴现率得到的，私人储户世界各地干脆拒绝给予贷款的内在风险和微薄的回报。
This function returns a numeric array on success, or FALSE on failure or when there are no more rows.
如果函数成功执行，将返回一个数值型数组；如果执行失败或没有任何结果返回将返回False。
Returns an array of all of the custom attributes defined on this member, excluding named attributes, or an empty array if there are no custom attributes.
返回在此成员上定义的所有自定义特性(命名特性除外)的数组，或如果没有自定义特性，返回一个空数组。
Returns the object bound with the specified name in this session, or null if no object is bound under the name.
返回session中指定名称的绑定对象，如果没有对象被绑定，返回null。
If this object represents a class or interface that implements no interfaces, the method returns an array of length 0.
如果该对象表示的类或接口未实现接口，方法返回的数组长度为0。
Returns an array of custom attributes defined on this member, identified by type, or an empty array if there are no custom attributes of that type.
返回此成员上定义的自定义特性的数组（由类型标识），如果该类型没有自定义特性，则返回空数组。
Returns an array of custom attributes defined on this member, identified by type, or an empty array if there are no custom attributes of that type.
返回此成员上定义的自定义特性的数组（由类型标识），如果该类型没有自定义特性，则返回空数组。
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