知道什么可行，什么不可行十分重要。
Knowing what's working and what's not working is very important.
几十年来，这正是这种设想不可行或甚至不被人们严肃对待的原因。
For decades that's exactly what's prevented the idea from being feasible or even just taken seriously.
开辟新农田是可能的，但大部分适宜的土地已经开发，进一步开垦在技术上是不可行的。
Opening up new farmland was a possibility, but most of what was suitable had already been exploited and further reclamation was technically unfeasible.
在美国，他们被认为是黑人，这种社会定义是可行的，因为他们属于少数群体。在巴西，这是不可行的。
In the United States they were considered to be Black, a social definition that was feasible because they were in the minority. In Brazil, it was not feasible.
不可行恶人的路。不可走坏人的道。
Enter not into the path of the wicked, and go not in the way of evil men.
更换数据库成本太高了而且不可行。
那个计划不可行。
取缔赎金不但不可行，对人质来说也很不利。
Outlawing ransoms is neither feasible nor in the hostages' interests.
要形成一致通常是不可行的，也是不可能的。
对于逻辑分区，自动客户机重定向是不可行的。
The automatic client redirect does not work for logical partitions.
那已被证明不可行。
但是现在立即完全依靠私营部门看起来并不可行。
But relying entirely on the private sector immediately does not look feasible.
这样做并不可行。
但这是不可行的。
而更改客户机的配置要么不可行，要么不切实际。
Changing the clients' configuration may be either impossible or impractical.
有时候，只有一个操作是可行的，而其他的不可行。
Sometimes one of these operations is possible but others aren't.
使用此规则，词典攻击变得不可行，但密码同时也变得更难记。
With such rules, a dictionary attack becomes infeasible, but passwords also become harder to remember.
通常，备份整个数据库或一次备份几个表空间是不可行的。
Often times, it's not feasible to back up the entire database or even few table Spaces at one time.
“‘不要那样去做，要这样做’这种方法并不可行，”他说。
"The 'don't do that, do this' approach doesn't work," he says.
认为某事不可行的人，不应该妄自干扰那些正埋头苦干的人。
The person who says something is impossible should not interrupt the person who is doing it.
在有些时候，我们发现很多教程，一些可行而另一些不可行。
Other times we found multiple tutorials, some worked and others did not.
使用某些API，比如信用卡签出和自释开关，是不可行的。
Using certain APIs, like credit card checkouts and self-destruct switches is not practical.
因特网使大众传媒时代完全不可行的人类间的会话成为可能。
The Internet is enabling conversations among human beings that were simply not possible in the era of mass media.
等待几天直到身体的调节机制自然适应新时区，这并不可行。
It is not feasible to wait a few days until the body‘s regulatory mechanisms are used to the new time zone.
这会形成依赖关系并需要可能对于PRDO环境不可行的权限。
This creates dependencies and requires permissions which might not be feasible with PRDO environments.
如果这样做不可行，那就关闭你正在运行的电子邮件和其他即时聊天工具。
If that isn't feasible, turn off your email and any IM applications you might otherwise have running.
此外，如果同时翻译DITA主题和SGML文件，则这种办法也不可行。
Also, this solution is not possible if the DITA topics and SGML files are being translated at the same time.
此外，如果同时翻译DITA主题和SGML文件，则这种办法也不可行。
Also, this solution is not possible if the DITA topics and SGML files are being translated at the same time.
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