只有一小部份的塑料袋是可被彻底降解的。
Only a small portion of plastic bags could be thoroughly degraded.
村声报道称这一数据表明儿童受到威胁，声称真正被贩卖的儿童仅占一小部份。
The Voice reported that this statistic identifies children at risk and claimed that the number of those who are actually trafficked is only a fraction of those figures.
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