並前往https://books.google.com.tw/books?id=ByWwi3GF8zEC&pg=PA85&lpg=PA85&dq=Forward+primer&source=bl&ots=gmuLQfgJIi&sig=ACfU3U0encaA-rHNuGgVRzmDMGzHqrnRXA&hl=zh-TW&sa=X&ved=2ahUKEwjLoa6i7cD6AhUySPEDHR1uBX8Q6AF6BQjQAhAD