And plants need to keep the root mass in some rough balance with the leaf mass to be happy.

植物都需要保持住根群同时和茎群保持大致的平衡以便维系。

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Thecurrent-account balance is a rough guide to which countries are mostvulnerable.

对那些经济极为脆弱的国家来说，国际收支平衡是一个粗略的指标。

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The amount of loans treated this way is unclear because nobody centrally collates the data, and Fitch says its three trillion yuan estimate for off-balance-sheet credit is rough.

这种方式的贷款总量还不清楚，因为没有人集中的整理这些数据，而且惠誉国际评级公司说的负债表之外的3万亿人民币的估计也只是猜测。

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But for most jobs and particularly with a recession looming supply and demand look in rough balance.

ECONOMIST: Strikes

But there is a striking difference between Europe and America: in the euro area, the private sector is still in rough balance.

ECONOMIST: Rainy-day blues

Large volumes are all the harder to achieve because trade within Mercosur, between Brazil and Argentina, has to be kept in rough balance.

ECONOMIST: Making cars in Latin America