The disadvantages include elderly people being left alone to fend for themselves and farmers being unable to find workers to manage their fields.

不利因素包括老年人被单独留在家里自谋生路，农民找不到工人来管理他们的田地。

youdao

The methods of this class manage (key, value) pairs and multivalue fields.

该类的方法将管理（关键字，值）对和多值字段。

youdao

In case you again did not manage to answer some of the questions, put a second dot in the relevant fields of repetition scores corresponding to these questions.

如果你还是没能答对某些问题，请在重复学习评分的第一栏再点一个点。

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Ecuador's state oil company creates arm to manage former fields seized from Occidental.

CENTERFORSECURITYPOLICY: The Colombian hostage crisis

The Kurdish leadership agreed to a U.S.-sponsored compromise in 2005 in which the central government would have the authority to manage existing oil fields, but new fields would fall under the exclusive jurisdiction of the regions.

WSJ: Kurdistan Is a Model for Iraq

Sceptics insist this is not ahead of schedule, but acknowledge that the new oil will more than offset declines elsewhere, especially if the Saudis manage to delay the retirement of old fields.

ECONOMIST: The market is frothy again