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。
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。
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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