Without agar, countries could not produce vaccines or the “miracle drug” penicillin, especially critical in wartime. In fact, they risked a “breakdown of [the] public health service” that would have had “far-reaching and serious results,” according to Lieutenant-General Ernest Bradfield. Extracted from marine algae and solidified into a jelly-like substrate, agar provides the surface on which scientists grow colonies of microbes for vaccine production and antibiotic testing. “The most important service that agar renders to mankind, in war or in peace, is as a bacteriological culture medium,” wrote oceanographer C.K. Tseng in a 1944 essay titled “A Seaweed Goes to War.”3
不過，他指出，這一現象逐漸轉變。隨著台灣部分產業推動「零收費政策」，雇主若要從國外引進移工，必須自行承擔3至5萬元的仲介成本。相比之下，承接已在台的移工則不需額外支付費用。，这一点在同城约会中也有详细论述
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