但这两个公司要想实现稳定的纤维供应还需要几年的时间种植足够砍伐的树木，但随着最近针对非法砍伐树木行为打击力度的增加，又使这两个公司的生意如履薄冰。

But both companies are still years away from planting enough trees to operate sustainably; and a recent crackdown on illegal logging in Indonesia promises to make their business even more difficult.

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但《洋葱》的编辑们却是如履薄冰，正如特雷西解释道的：“你要特别注意你的恶搞对象是谁。”

But editors at the Onion do tread a fine line, as Tracy explains: "what you have to be really careful about is what the target of the joke is."

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上周在法国的互交白卷让本场比赛的交战双方都如履薄冰，但红黑军团出色的主场战绩无疑会为球队注入不少信心。

The goalless draw in France last week leaves the game on a knife-edge but the Rossoneri can take heart from an excellent home record in the competition.

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