You should always use collections to create immutable lists rather than arrays. Although it is possible to copy arrays defensively, it leads to some undesirable side-effects.

您应该始终使用集合而不是数组来创建不可变列表，尽管防御性的数组复制也是可行的，但这会带来一些不希望见到的副作用。

youdao

It seems they try harder to overcome you by playing defensively rather than the previous year when they attempted to beat you by attacking, as its easier to demolish a house than build one.

看起来他们更重视防守以达成目标，而前一年他们更愿意靠进攻击败你。

youdao

Because they're going to react defensively rather than thoughtfully.

不然他们的反应并不是经过深思熟虑，而是防备性的。

youdao

Mr Bradley is facing this problem too, which is why he is reacting defensively rather than going on the offensive himself (by, for example, bringing up the vice-president's 1996 fund-raising activities at Buddhist temples).

ECONOMIST: The Democratic race: Nasty isn’t nice | The

They may use tracking stocks defensively, to protect their original share prices from the impact of risky new ventures, rather than to chase the money that flows from the high market valuations of dot.com ventures.

ECONOMIST: Shares