由此产生的对干燥陆地的适应包括一些在植物进化早期就出现的结构特征；现在这些特征对于几乎所有陆地植物来说都是很常见的。
The resulting adaptations to dry land include some structural features that arose early in plant evolution; now these features are common to virtually all land plant.
当亚洲的一切似乎都出了问题时，就出现了疯狂推卸责任的现象；现在，当一些事情开始朝着好的方向发展时，就产生了一场争夺信誉的竞赛。
There was frantic blame-shifting when everything in Asia seemed to be going wrong; now there is a race to claim credit when some things have started to go right.
胃酸腐蚀胃壁时，就出现了溃疡。
Ulcers occur when the stomach's natural acids eat into the lining of the stomach.
她从美国回来以后，危机就出现了。
他的麻烦早在经济衰退前就出现了。
这几件事发生以后，当年就出现了一种有趣的结果。
There was an interesting sequel to these events later in the year.
我们从没想到你这么快就出现了！
这些本能在很小的时候就出现了。
历史学家认为，中国文字早在公元前1500年就出现了。
Historians believe Chinese writing began as early as 1500 BC.
在我四岁的时候，我的继父就出现了。
这些与常识相悖的发现以前就出现过。
Such findings, which run counter to common sense, have surfaced before.
他们刚爬上去，他们要找的那些流氓就出现了。
Scarcely were they up, than who should come by but the very rogues they were looking for.
当大家知道老狐狸死了以后，求婚者就出现了。
When it became known that the old fox was dead, suitors presented themselves.
我还在打算写另一本历史书的时候，这个关注点就出现了。
That focus came about when I still intended to write another book of history.
事实上在20世纪70年代，就出现了一种可能有如此致命的病毒。
In fact, a virus emerged in the 1970s that could've been just that fatal.
周日她刚刚回去工作不久，一个男理发师就出现了，主动提出为病人理发。
Soon after she made it back to work on Sunday, a male hairdresser turned up offering to cut the patients' hair.
在人类出现很早以前，地球上就出现了鱼类、爬虫类、鸟类和一些哺乳动物。
Long before Man lived on the Earth, there were fishes, reptiles, birds, insects, and some mammals.
不一会儿，本·罗杰斯就出现了——在所有的孩子中，他最怕的就是被他嘲弄了。
Ben Rogers hove in sight presently--the very boy, of all boys, whose ridicule he had been dreading.
股市预计不会从一开始就出现波动，一些股票预计也只会平稳运行，不会出现太大波动。
The stock is expected to not move at all from where it starts, some stocks will be expected to just trundle along without much change, not very volatile.
基于这一分析，系统机构的运作非常高效，这就出现了一个问题，即寻求大规模外包方案的价值何在。
System institutions are operating very efficiently based on this analysis, raising the question of the value of pursuing a broad scale outsourcing initiative.
当演讲者和听众——或者作者和读者——以合奏的形式，协调地执行各自的行动时，这种联合行动就出现了。
It is the joint action that emerges when speakers and listeners—or writers and readers—perform their individual actions in coordination, as ensembles.
最好的广告形式可能是口碑营销。当人们将所购买的产品或服务的好处告诉他们的朋友时，口碑营销就出现了。
The best form of advertising is probably word of mouth advertising which occurs when people tell their friends about the benefits of products or services that they have purchased.
也许更早的时候，在欧亚大陆内部的大草原上就出现了独特的游牧文化，这种文化主导了该地区几千年的历史。
Perhaps even earlier, there had emerged on the steppes of Inner Eurasia the distinctive types of pastoralism that were to dominate the region's history for several millennia.
最好的广告形式可能是口口相传的广告，当人们将所购买的产品或服务的好处告诉他们的朋友时，这种广告就出现了。
The best form of advertising is probably word-of-mouth advertising which occurs when people tell their friends about the benefits of products or services that they have purchased.
公司很快发现员工可以在家工作，通过网络提交任务，这样全新的远程办公族就出现了，他们不剃胡子、穿着睡衣在家办公。
Companies soon discovered that work could be done at home and submitted online, so a whole new class of telecommuters began to earn a living from home offices unshaven and wearing pajamas.
在古罗马时期，意大利半岛上有大面积的冷杉林，是建造军舰的首选材料，但是，冷杉的稀缺性早在14世纪早期就出现了。
In ancient Roman times, the Italian peninsula had great forest of fir preferred for warships, but scarcity was apparent as early as the early fourteenth century.
当把美丽视为美丽的时候，丑陋就出现了。
当你的行为过火时问题就出现了。
当行动加强时内在的强化就出现了。
当行动加强时内在的强化就出现了。
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