If not for John, Brian wouldn't have learned the truth.
要不是约翰，布莱恩不会了解真相。
She felt, if not grateful for her own situation, at least a little more reconciled to it.
她觉得，即便对自己的处境不心存感激，至少能将就一些了。
If not, you can download and install it.
如果没有，你可以下载并安装它。
If not, then transformations have to be performed in the mapping phase.
如果没有，则在映射阶段必须执行转换。
If not, your possessions are safest in a pocket with a button-down flap.
如果没有，你的物品放在有纽扣的口袋里是最安全的。
If that worked, we should say hooray! If not, we will soldier on to the next step.
如果成功了，我们应该说万岁！如果没有，我们将坚持到下一步。
It says tropical storms formerly claimed dozens, if not hundreds of lives, each year, in Cuba.
据说以前热带风暴每年在古巴造成的死亡人数，没有几百人也有数十人。
Much emphasis is put on how to spend as much time if not more studying by themselves as being taught.
如果没有花更多的时间自己学习，人们会把重点放在如何花费尽可能多的时间去接受教导。
If not cultivated, it will not survive: "Childhood curiosity is a collaboration between child and adult."
如果不加以培养，人们很难维持好奇心：“儿童时期的好奇心，是通过儿童与成人间的合作获得的。”
In a large number of cases factory workers earn as much, if not more, than their middle-class supervisors.
在很多情况下，工厂工人的收入与他们的中产阶级主管的收入相比，如果不是更高也会相等。
I might not have met some if not for this job, and I've learned a lot about how people behave in these years.
如果不是因为这份工作，我可能不会遇到一些人，这些年来，我对人们的行为举止也了解了很多。
"If not, the patient should talk to his primary care physician about it," says Steve Ommen, who runs Mayo's Connected Care Program.
梅奥诊所“互联健康”项目的负责人史蒂夫·欧曼说：“如果没有，病人应该和他的家庭医生谈谈。”
Even the earliest of tribes had a system of numeration that, if not advanced, was sufficient for the tasks that they had to perform.
即使是最早的部落也有一种计算系统，哪怕不先进，也足以完成他们必须执行的任务。
Mix a 50/50 solution of isopropyl alcohol and water into a small spray bottle if you've got one—if not, just dab your cloth into the solution.
将 50/50的异丙醇和水混合到一个小喷雾瓶中，如果你有的话——如果没有，就把你的布轻拍入溶液中。
If not, we couldn't put money in the bank, buy food, clothing, or medicine from others, drive across a bridge, get on a plane—the list is endless.
如果不是，我们就不能把钱存入银行；不能从别人那里购买食物、衣服或药品；不能开车过桥，不能坐飞机——这样的事情不胜枚举。
I want to prove that I can teach myself a respectful profession, without going to college, and be just as good as, if not better than, my competitors.
我想证明，就算不去读大学，我也可以自学一门受人尊敬的专业，即使不会超过我的竞争对手，但也能做到和他们一样优秀。
If not corrected by the appropriate carbon price, low fossil fuel prices are not accurately signaling to markets the true social profitability of clean energy.
如果不通过适当的碳价格加以纠正，低化石燃料价格就不能准确地向市场显示出清洁能源真正给社会带来盈利的能力。
Bones disintegrate, the land erodes, the climate changes, forests come and go, rivers change their course — and history, if not destroyed, is steadily concealed.
骨头分解，土地侵蚀，气候变化，森林重生，河流改道——而历史，如果没有被摧毁，也会被逐渐掩盖。
A defender of Burke called Wollstonecraft's book an incoherent mass of treacherous candor, interested generosity, and, if not false, at least unnecessary accusation.
伯克的一位辩护者称沃斯通克拉夫特的书是一堆语无伦次的文字，充斥着背信弃义的坦率、兴趣盎然的慷慨，以及即使不是虚假的，至少也是不必要的指责。
Still, Krech attributes secondary if not primary responsibility for the extinctions to the Paleoindians, arguing that humans have produced local extinctions elsewhere.
克雷奇仍然认为古印度安人在灭绝上的责任即使不是主要的，也是次要的，他认为人类在其他地方造成了当地物种灭绝。
They cost thousands if not millions of pounds to build.
建设要耗费数千英镑，甚至可能是数百万英镑。
If not you'll have to pay a fine.
否则你就得交罚款。
Does it work? If not, you can sing or run.
起作用了吗？如果没有，你可以唱歌或跑步。
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