The point of the parable is this:biotechnology may have cut its teeth on medicines, but the big bucks are likelyto be in bulk chemicals.
重点是：生物技术可能已经早早的占据了制药行业的地位，但是其大的兴旺应该在于主流化学品的制造。
The bulk of the research shows that there may be a pause, or a shifting of gears in the 40s or 50s, but this shift "can be exciting, rather than terrifying".
研究主要表明，人在40多岁或50多岁时可能会有个停滞时期，或转变阶段，但是这种转变“会让人感到兴奋而非恐惧”。
Even high-priced commodities like spices had to be transported in large bulk in order to justify the expense and trouble of sailing around the African continent all the way to India and China.
即使像香料这样的高价商品，也必须大量运输，以证明环绕非洲大陆航行到印度和中国的费用和不便是合理的。
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