But if the current downturn is prolonged, it might be too late.
不过，如果目前这种低迷的状况长期持续，就可能为时已晚。
The odourless, colourless gas is deadly if there is high or prolonged exposure.
这种无色无味的气体如果长期大量地泄露，将是杀人不眨眼的恶魔。
If time pressures are prolonged, take a vacation day or a long weekend.
如果是长时间的处于压力之中，可以休息一天或请个长假。
Toxic: danger of serious damage to health by prolonged exposure if swallowed.
有毒的：吞食长期接触有严重损害健康的危险。
Toxic: danger of serious damage to health by prolonged exposure if swallowed.
有毒的：吞食长期接触有严重损害健康的危险。
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