但现在这一现象正开始改变：每 个奢侈品类别均有五个品牌占据了50%左右的市场份额，预示着出现了早期的集中化迹象。

This is starting to change: In each luxury-goods category, five brands account for around 50% of the market, indicating early signs of concentration.

youdao

受海洋温度变化的影响而产生的厄尔尼诺现象，其最初迹象是太平洋异常变暖。

It is caused by changes in ocean temperatures, with the first sign being abnormal warming in the Pacific .

youdao

尽管通常情况下，科学家们不会将个别天气事件归咎于气候变化，但众多港湾居民们仍将春天无结冰现象看作全球变暖的迹象之一。

While scientists are generally reluctant to attribute individual weather events to climate change, many gulf residents view the ice-free spring as a sign of global warming.

youdao