the process of making sure that the amount of food you eat for each meal is not too large, especially when you are trying to lose weight

Accurate portion control is an important factor in weight-loss success. 精确的份量控制是减重成功的一个重要因素。

The nation's skyrocketing obesity rates are in part due to a lack of portion control. 该国肥胖率飙升的部分原因是缺乏对食物份量的控制。

the process of making sure that the amounts of different foods contained in a dish or served on a plate are always the same, for example in a restaurant or when producing food for sale, sometimes used in order to reduce costs

The number one reason why portion control is important is to manage customer expectations and provide a consistent product. 分量控制之所以重要的首要原因是管理客户的期望，并提供稳定的产品。

The big food manufacturers have recently been attempting to boost profits by using portion control without passing on the cost reductions to customers. 大型食品制造商最近一直尝试通过分量控制来提高利润，而不把消减的成本转惠顾客。