英文翻譯(急！15分)

preparation:
lightly spread the bread with butter to avoid the bread getting soggy
from the moisture of fillings
lettuce should be cleaned thoroughly and well drained before broken
into pieces
tuna fish should be well drain , flaked and mixed with mayonnaise
for easy spreading
well assemble the ingredients to make the sandwich easy to handle
for serving
the sandwich should be kept in a fridge to avoid contamination of bacteria
if it is prepared the night before
packing:
1)wrap the sandwich with polythene wrap, sandwich bag. aluminium foil
or well covered containers to avoid moisture lost if it is chilled overnight
2)kep the sandwich in a box to avoid damage when being carried

Most of the dietary fibre of fresh fruit is removed in freshly squeezed
Juice, which is required to avoid constipation that is a common problem
of elderly.
Vitamin c will be easily lost by oxidation if the juice is not served at once
after squeezing or not properly stored
more easy to be contaminated than fresh fruit because of high suger
content/lacking the protection of skin or peel
contains higher suger content,which may need to higher calorie intake.
(if one serving portion of fruit is replaced by a glass of juice.)
Any other relevant points.
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