重點講解：
1. find out (尤指特意通過努力)發現，找出，查明；
With geological maps, books and atlases you can find out all the proven sites of precious minerals.
有了地質圖、書籍和地圖冊，你便可以找到所有已探明的珍貴礦藏的位置fcE^hZ87u,r。
2. to date 迄今；到目前為止；
To date there is no evidence to support this theory.
到目前為止，還沒有證據支持這種理論w@bM8@bQ=uw。
3. in the face of 面對；在…面前；
Little companies are known for their pluck and perseverance, even in the face of a recession.
小公司的勇氣和堅毅是出了名的，即使面對經濟衰退也是如此f.qe5^oj,#5。
4. be able to do sth. 可以…的，能夠…的；
It must be better to be able to offer them love and security.
要是能給予他們關愛和安全感肯定會更好Ibl+aN8Gwj0D。