If the organic material decays or is oxidized, it will not form petroleum.
如果有机物腐烂或氧化，它不会形成石油。
If you'd like to recognize the greenness of an individual or organization, why not nominate them for an Environmental Achievement Award.
如果你想赞扬某个人或团体的绿色环保行为，何不将他们提名为环境成就奖的候选人？
If someone uses your credit card fraudulently, it's the issuer or merchant, not you, that takes the hit．
如果有人欺诈使用了你的信用卡，受打击的不是你，而是信用卡发行机构或商家。
If the gerbil's spouse dies, it may or may not accept a new spouse.
如果沙鼠的配偶死去，它可能会也可能不会接受一个新的配偶。
If you have a cold or flu, you'd better not pass it on to anyone else.
如果你得了感冒或流感，最好不要把它传染给别人。
Don't worry if you are not sure where you're headed or what your long-term goals are.
如果你不确定你的目标是什么，或者你的长期目标是什么，不要担心。
If someone uses your credit card fraudulently, it's the issuer or merchant, not you, that takes the hit.
如果有人用你的信用卡诈骗，受打击的不是你，而是信用卡发行机构或商家。
If you do so, they will use your website or app not because they have to but because they want to.
如果你这样做，他们会使用你的网站或应用程序，不是因为他们必须这样做，而是因为他们想这样做。
If deficit reduction aggravates these biases, more Americans may choose not to have children or to have fewer children.
如果削减赤字加剧了这些偏见，更多的美国人可能会选择不生孩子或少生孩子。
Computer manufacturers in Japan or Texas will not face hugely bigger freight bills if they import drives from Singapore rather than purchasing them on the domestic market.
如果日本或得克萨斯州的电脑制造商从新加坡进口驱动器，而不是在国内市场购买，它们将不会面临巨额运费的难题。
If your braided hair has loosened, if the parting of your hair be not straight, or if the ribbons of your bodice be not fastened, do not mind.
如果你的发辫若已松开，你的发缝若不平直，你的腰线若未系紧，你也不必介意。
However, the supplement will not raise any worker's income above what government assistance would provide if he or she were not gainfully employed.
但是，如果工人没有有薪工作，补贴不会使他们的收入超过政府援助的水平。
If "entitled" is the most common adjective, fairly or not, applied to millennials (those born between 1981 and 1995), the catchwords for Generation Z are practical and cautious.
如果说“有权享用”是形容千禧一代（1981年至1995年出生的人）最常用的形容词——无论恰当与否——那么描述 Z世代的关键词则是“讲求实际”和“谨慎小心”。
If families do not know English or have limited English skills themselves, how can they communicate in English?
如果一个家庭自己不懂英语或者英语能力有限，又怎么能用英语交流呢？
If you or a friend or a family member has a peanut allergy, please do not try this at home.
如果你或朋友或家人有花生过敏症，请不要在家做这样的尝试。
If an earthquake, hurricane or other disaster strikes your community, you might not have access to food, water, and electricity for days or even weeks.
如果地震、飓风或其他的灾害突袭你的家园，你可能会好几天甚至好几个星期都无法获得食物、水和电。
Once or twice she wondered if he were not gradually falling into a doze.
有一两次，她怀疑他是不是渐渐打起瞌睡来了。
It's not important, then, if there's a delay of a few years, or decades.
如果信号的接收会延迟几年或几十年，那么这个问题并不重要。
If we're not engaged as much in our normal work or school, we have extra time to call parents and grandparents.
如果我们没有忙于日常工作和学业，我们将有额外的时间给父母和祖父母打电话问候一下。
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