The engine evaluates each rule from right to left, starting from the rightmost selector (called the "key") and moving through each selector until it finds a match or discards the rule.

该引擎由右至左评估每个规则，从最右边的选择器开始(称为“键”【Key】)，并通过移动每个选择器，直到找到一个匹配或丢弃的规则。

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If you walk clockwise, you will see that the surface is to your left or use the right-hand rule.

如果沿顺时针方向走，就会发现这个曲面在左方，或者用右手定则来判断。

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In these cases, food is often offered communally, which is why it's important to wash your hands before eating and observe the right-hand-is-for-eating and the left-hand-is-for-other-duties rule.

在这种情况下，食物往往是众人一起分享的，因此饭前洗手很重要，而且要遵守用右手吃东西的习俗(左手往往有其他用途)。

youdao

In these cases, food is often offered communally, which is why it? S important to wash your hands before eating and observe the right-hand-is-for-eating and the left-hand-is-for-other-duties rule.

在这种情况下，食物往往是众人一起分享的，因此饭前洗手很重要，而且要遵守用右手吃东西的习俗(左手往往有其他用途)。

youdao

In these cases, food is often offered communally, which is why it's important to wash your hands before eating and observe the right-hand-is-for-eating and the left-hand-is-for-other-duties rule.

在这种情况下，食物时时是众人一起分享的，于是饭前洗手很要紧，而且要遵守用右手吃东西的习俗(左手时时有其他用处)。

youdao

In these cases, food is often offered communally, which is why it's important to wash your hands before eating and observe the right-hand-is-for-eating and the left-hand-is-for-other-duties rule.

在这种情况下，食物时时是众人一起分享的，于是饭前洗手很要紧，而且要遵守用右手吃东西的习俗(左手时时有其他用处)。

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