前两种是免费使用和标准公开的。
虽然前两种语言是众所周知的，而后两种的出现绝对让人感到吃惊。
While the first two languages are generally known, the last two come as a surprise.
它包括你在退休前和退休时去世两种情况。
It covers you if you die before you retire and when you retire.
它包括你在退休前和退休时去世两种情况。
It covers you if you die before you retire and when you retire.
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