The estimates for the biennium 2008-2009 reflect a conservative approach to the calculation of extrabudgetary resources, since they relate only to those projects for which firm commitments or preliminary indications from prospective donors have been received.
2008-2009两年期所需资源估计数是保守地计算预算外资源得出的——只包括已获预期的捐助者确切承诺或表示了初步意愿的那些项目。