Experts say that while rotational grazing can save money over time, it also requires planning.

专家称，虽然轮牧经济省钱，它也需要周密筹划。

youdao

Personal interviewing is the most expensive method and requires more administrative planning and supervision. It is also subject to interviewer bias or distortion.

当面采访是罪昂贵的方法，它需要更周密的计划与指导。当然它还会带有被采访者的偏见与歪曲。

youdao

Personal interviewing is the most expensive method and requires more administrative planning and supervision . It is also subject to interviewer bias or distortion.

当面采访是罪昂贵的方法，它需要更周密的计划与指导。当然它还会带有被采访者的偏见与歪曲。

youdao

Experts say that while rotational grazing can save money over time, it also requires planning.

VOA: special.2010.01.19

It also requires that local and regional transmission planning processes consider transmission needs driven by public policy requirements.

FORBES: New Transmission Lines: Coming to an Area Near You?