右撇子在写字和用餐时通常比左撇子更方便。

People with ___right-handedness usually find it more convenient to write and eat than left-handed people.

这个开瓶器的设计体现了明显的右撇子倾向，左撇子使用起来很不方便。

The bottle opener shows obvious ___right-handedness in its design, making it difficult for left-handed people to use.