One yard of fabric is sufficient to cover the exterior of an 18-in-diameter hatbox.

一码布足够罩住直径为18英寸的帽盒的外部。

Lighting levels should be sufficient for photography without flash.

照明应达到不开闪光灯可以拍照的亮度。

There was not sufficient evidence to secure a conviction.

证据不充分，不足以定罪。