我们已经认识了十年了。
此外盐还与脂肪和糖相配合以获得抓住消费者并且不放手的风味——该行业已认识了几十年的一种吸引力。
Salt also works in tandem with fat and sugar to achieve flavors that grip the consumer and do not let go - an allure the industry has recognized for decades.
只是在几十年前认识了其生物性，有了化学杀虫剂和空中撒药之后，人们才开始努力控制这种虫害。
Only when its biology was understood and chemical pesticides and aerial spraying became available a few decades ago, could efforts be made to control the insect.
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