Packages under 500 grams can be shipped overseas at the standard letter rate.

500公克以下的包裹可以用標準信件費率寄到海外。

The customer complained that each bag of coffee was fifty grams lighter than advertised.

這位顧客抱怨每包咖啡都比廣告標示的少了五十公克。

Please order the 80-gram copy paper, since the heavier stock jams our printer.

請訂購80磅（每平方公尺80公克）的影印紙，因為較厚的紙會讓我們的印表機卡紙。