药物的副作用可能包括疲劳、头痛或体重增加。

Side effects of the drugs may include tiredness, headaches or weight ___gain.

食用预制餐、快餐和罐装食品不仅导致体重增加，还引起健康问题。

Consumption of pre-cooked meals, fast food, and canned food not only results in weight ___gain but also causes health problems.

公司报告称过去一年市场份额稳步增长。

The company reported a steady ___gain in market share over the past year.