They complain about a range of different problem反饋回來各種各樣的問題
complain about抱怨; 發牢騷
Consumers are encouraged to complain about faulty goods.
要鼓勵消費者對劣質商品投訴。
Stop moaning; you really have nothing to complain about.
不要再抱怨了,實際上你是沒有什么事可抱怨的。
You know they, they contribute to less strokes, for instance,你知道它們會減少中風的幾率
contribute to是…的原因;有助于;為…作貢獻
Does smoking contribute to lung cancer?
吸煙會導致肺癌嗎?
Honesty and hard work contribute to success and happiness.
誠實加苦干有助于成功和幸福。
so how do you balance it out?你會怎么抉擇呢
balance out抵消; 中和
My accounts balance out for the first time this year.
我的賬今年第一次收支平衡。
The good and bad effects of any decision will usually balance out.
任何決策的效果往往利弊互見。