So if China really is extending its purchases along the curve, that suggests it is less worried than it says about Uncle Sam's debt levels spiralling out of control.
所以如果中国真地是在增持更长期限的美国国债，这说明它对美国债务水平失控的担忧，并不像它说的那样严重。
The purchases ability of farmers is limited in our country, and the purchasable intelligent monitor and control system for the greenhouse environment are expensive and complicated.
我国广大农户购买能力有限，而市场上现有的针对现代温室环境的智能监控系统成本高、价格贵、使用较为复杂。
The purchases ability of farmers is limited in our country, and the purchasable intelligent monitor and control system for the greenhouse environment are expensive and complicated.
我国广大农户购买能力有限，而市场上现有的针对现代温室环境的智能监控系统成本高、价格贵、使用较为复杂。
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