actual age

• 100 , then it indicates the age is between 6 . 5 and 8 . 5 billion years old . the actual age is determined by the density of matter in the universe
  100 ，即表示宇宙年介乎65到85亿年之间，而实际数字则取决于宇宙的物质密度。
• For most women , these changes usually occur in their 40s , but the actual age of menopause varies . the physiological and psychological changes around menopause
  对女性来说，踏入更年期的年龄普遍发生在四十来岁，但实际停经的年龄则因人而异。