然而，这一进展是在一系列困难日益加剧的情况下取得的。
Yet this progress has been made against some ever-growing odds.
这样根本性的变革将可能涉及同地方电视台一系列困难的谈判。
Such a radical change would involve difficult negotiations with local stations.
由于在越来越好战的中国面临一系列困难，无怪乎富国的跨国公司开始对拉美产生新鲜感。
As they face difficulties in an increasingly truculent China, no wonder multinationals from the rich world are starting to look at Latin America with fresh interest.
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