对石油工人所有的科学探测方法来说，能确切地知道地下是否有油的唯一方法就是钻一口井。
For all his scientific methods of detection the only way the oilman can actually know for sure that there is oil in the ground is to drill a well.
对石油工人所有的科学探测方法来说，能确切地知道地下是否有油的唯一方法就是钻一口井。
For all his. scientific methods of detection, the only way the oilman can actually know for sure that there is. oil in the ground is. to drill a well.
尽管现在看起来可以送一口气了，但贞森说到国外招聘临时工人的过程耗时太长。
Even with relief now in sight, Jensen says the time involved in the process to obtain temporary foreign workers is too long.
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