Usually it is better not to remove outer leaves from fruits and vegetables before storage. Without the leaves, food can become dry.

通常在存储前最好不要清除水果和蔬菜外面的叶子，没有这些叶子，食物会变得干燥。

youdao

Recommend washing dishes at the first step should be stripped of vegetables for outer layer, the outer leaves residual pesticide on the inside of the more than.

建议洗菜时第一步应该剥去蔬菜外层，因外层叶子上残留的农药比里面的多。

youdao

In the few hours I was there, Shade scraped the outer layers off several leaves, dipped some others in scalding water, and burned the trunk with a soldering iron.

在我到达前几小时内，薛德刮去了几片树叶的外层，将另一些树叶浸在滚烫的开水里，还用烙铁去烫树干。

youdao

The cut greens are hard to wash, and you can't remove outer leaves as you can with a head of romaine.

FORBES: Don't Eat Your Spinach

The first recipe, inspired by chef Nobu Matsuhitsa, uses only the outer leaves of the sprout, ensuring full flavor without the risk of under- or overcooking.

NPR: Turning a New Leaf on a Misunderstood Sprout

First, discard the outer leaves and trim off their nubs.

WSJ: Paul Kahan's Shaved Brussels Sprout Salad With Burrata | Slow Food Fast